# CalcOpenly — Deutsch

> Kostenlose Online-Rechner

Language: de

- [Wissenschaftlicher Taschenrechner](https://www.calcopenly.com/de/math/scientific-calculator.md): Tastenrechner mit Trigonometrie in Grad, Radiant oder Gon, Logarithmen, Potenzen, Fakultäten, Speicher und Rechenverlauf – mit exakten Brüchen, soweit möglich.
- [Grafikrechner](https://www.calcopenly.com/de/math/graphing-calculator.md): Mehrere Funktionen sowie Polar- und Parameterkurven zeichnen; verschieben und zoomen; Nullstellen, Schnittpunkte, Extrempunkte und Flächen finden.
- [Währungsrechner](https://www.calcopenly.com/de/finance/currency-converter.md): Zwischen 160 Währungen zu den neuesten täglichen Referenzkursen umrechnen, mit Kursdatum und einem Verlaufsdiagramm für 90 Tage.
- [Prozentrechner](https://www.calcopenly.com/de/math/percentage-calculator.md): Berechne X % von Y, den Prozentanteil einer Zahl an einer anderen, prozentuale Zu- und Abnahmen, die prozentuale Differenz und den Grundwert vor einem prozentualen Aufschlag.
- [Bruchrechner](https://www.calcopenly.com/de/math/fraction-calculator.md): Addiere, subtrahiere, multipliziere und dividiere Brüche und gemischte Zahlen exakt, kürze vollständig und wandle Dezimalzahlen einschließlich periodischer Dezimalzahlen in Brüche um.
- [Rechner für Verhältnisse und Proportionen](https://www.calcopenly.com/de/math/ratio-calculator.md): Simplify a ratio, solve a proportion a : b = c : x for the missing term, scale a ratio to a target, or split an amount in a given ratio, exactly.
- [Rechner zum Runden und für signifikante Stellen](https://www.calcopenly.com/de/math/rounding-calculator.md): Runde auf Dezimalstellen, signifikante Stellen oder den nächsten Zehner oder Hunderter. Neun Regeln stehen zur Wahl, darunter Runden zur geraden Zahl sowie Abrunden und Aufrunden.
- [Potenz- und Wurzelrechner](https://www.calcopenly.com/de/math/exponent-root-calculator.md): Raise a number to any exponent, including fractional and negative ones, or take its square, cube or nth root, with exact simplified radicals such as 5√2.
- [Logarithmusrechner](https://www.calcopenly.com/de/math/logarithm-calculator.md): The logarithm of a number to any base, including ln and log₁₀, with change-of-base steps, or the exponent x that solves bˣ = y, exact when rational.
- [Löser für quadratische Gleichungen](https://www.calcopenly.com/de/math/quadratic-equation-solver.md): Lösen Sie ax² + bx + c = 0 mit der quadratischen Lösungsformel: exakte Wurzelausdrücke oder komplexe Nullstellen, Diskriminante, Scheitelpunkt, Symmetrieachse und Graph.
- [Rechner für Polynomnullstellen](https://www.calcopenly.com/de/math/polynomial-root-finder.md): All real and complex roots of a polynomial up to degree 6, such as a cubic or quartic equation, with repeated roots found exactly and 30-digit accuracy.
- [Rechner für komplexe Zahlen](https://www.calcopenly.com/de/math/complex-number-calculator.md): Add, subtract, multiply and divide complex numbers, raise them to powers, find nth roots, and convert a + bi to polar form, with an Argand diagram.
- [Löser für lineare Gleichungssysteme](https://www.calcopenly.com/de/math/system-of-linear-equations-solver.md): Solve 2 to 5 simultaneous linear equations exactly by Gauss–Jordan elimination, with every row operation shown, and detect no-solution or infinite cases.
- [Matrizenrechner](https://www.calcopenly.com/de/math/matrix-calculator.md): Determinante, Inverse, Rang und reduzierte Zeilenstufenform einer Matrix bis 6 × 6 mit allen Zeilenoperationen sowie Transponierte, Produkt und Summe in exakten Brüchen.
- [Vektorrechner](https://www.calcopenly.com/de/math/vector-calculator.md): Dot and cross products of two vectors in 2D or 3D, their magnitudes, the angle between them and the projection of one onto the other, with a drawing.
- [Rechner zur Primfaktorzerlegung](https://www.calcopenly.com/de/math/prime-factorization-calculator.md): Prime factorization of any whole number up to 60 digits, with a factor tree, a prime or composite verdict, its divisors and the nearest primes.
- [Rechner für ggT und kgV](https://www.calcopenly.com/de/math/gcd-lcm-calculator.md): Greatest common divisor (GCD, GCF or HCF) and least common multiple (LCM) of two or more whole numbers, with Euclid's algorithm step by step.
- [Modulo-Rechner](https://www.calcopenly.com/de/math/modulo-calculator.md): Calculate a mod n under the floored, truncated and Euclidean conventions, modular powers a^b mod m of large numbers, and modular inverses, with steps.
- [Rechner für arithmetische, geometrische und Fibonacci-Folgen](https://www.calcopenly.com/de/math/sequence-calculator.md): The nth term and the sum of the first n terms of an arithmetic or geometric sequence, the sum to infinity, and exact Fibonacci numbers, with a table.
- [Rechner für numerische Ableitungen](https://www.calcopenly.com/de/math/derivative-calculator.md): The first or second derivative of any function f(x) at a point, to about 20 significant digits by Richardson extrapolation, with the tangent line drawn.
- [Rechner für bestimmte Integrale](https://www.calcopenly.com/de/math/integral-calculator.md): The definite integral of any function f(x) between two limits, by adaptive Gauss–Kronrod quadrature to about 20 significant digits, with the area shaded.
- [Rechner für Mengenoperationen](https://www.calcopenly.com/de/math/set-operations-calculator.md): Union, intersection, differences and symmetric difference of two sets of numbers or words, with the Jaccard index and a Venn diagram.
- [Wahrheitstabellen erstellen](https://www.calcopenly.com/de/math/truth-table-generator.md): Truth table of a Boolean expression in up to 6 variables, with the canonical sum of products, product of sums, minterms and maxterms.
- [Umrechner für römische Zahlen](https://www.calcopenly.com/de/math/roman-numeral-converter.md): Convert numbers to Roman numerals and Roman numerals to numbers, from 1 to 3,999 (3,999,999 with overlines), with the standard form of any numeral.
- [Schriftliche Division mit Rest und Dezimalstellen](https://www.calcopenly.com/de/math/long-division-calculator.md): Long division calculator that shows every step: quotient and remainder, the decimal quotient with its repeating block marked, and the fraction.
- [Rechner für Mittelwert, Median und Modalwert](https://www.calcopenly.com/de/math/mean-median-mode-calculator.md): Average calculator for a list of numbers: mean, median, mode, range, count and sum, with the sorted data and the middle values highlighted.
- [Quadratwurzelrechner und Vereinfachung von Wurzeltermen](https://www.calcopenly.com/de/math/square-root-calculator.md): Square root calculator: the root to up to 1,000 decimal places, simplest radical form (√72 = 6√2), a perfect-square check and cube or nth roots.
- [Rechner für wissenschaftliche Schreibweise und Standardform](https://www.calcopenly.com/de/math/scientific-notation-calculator.md): Scientific notation calculator: convert between decimal, scientific, E and engineering notation, and add, subtract, multiply or divide with sig-fig rules.
- [Teilerrechner: alle Teiler einer Zahl](https://www.calcopenly.com/de/math/factor-calculator.md): Factor calculator: every factor and factor pair of a whole number up to 10¹⁸, its prime factorization, divisor count and sum, and perfect or abundant.
- [Rechner für den gewichteten Mittelwert](https://www.calcopenly.com/de/math/weighted-average-calculator.md): Weighted average calculator: enter values with weights, one pair per line, for the weighted mean, sum of weights and each value's contribution.
- [Fläche und Umfang ebener Figuren berechnen](https://www.calcopenly.com/de/geometry/shape-area-perimeter-calculator.md): Fläche und Umfang von 15 Figuren: Rechtecken, Dreiecken, Trapezen, Kreisen, Ellipsen, regelmäßigen Vielecken und Ringen, mit maßstabsgetreuer Zeichnung.
- [Volumen und Oberfläche von Körpern berechnen](https://www.calcopenly.com/de/geometry/volume-surface-area-calculator.md): Volumen, Oberfläche, Mantellinie und Fassungsvermögen in Litern für 14 Körper, darunter Zylinder, Kegel, Kugeln, Pyramiden, Prismen, Tori und Ellipsoide.
- [Dreieckrechner: SSS, SAS, ASA, AAS und SSA](https://www.calcopenly.com/de/geometry/triangle-solver.md): Seiten, Winkel, Fläche, Umfang, Höhen sowie Inkreis- und Umkreisradius aus drei Maßen berechnen, einschließlich beider möglicher SSA-Lösungen.
- [Rechtwinkliges Dreieck: Hypotenuse, Seiten und Winkel](https://www.calcopenly.com/de/geometry/right-triangle-calculator.md): Hypotenuse, fehlende Kathete, spitze Winkel, Fläche und Umfang aus zwei Werten mit dem Satz des Pythagoras und Trigonometrie berechnen.
- [Kreisrechner: Fläche, Umfang und Radius](https://www.calcopenly.com/de/geometry/circle-calculator.md): Fläche, Umfang, Radius und Durchmesser aus einer Angabe bestimmen. Dazu Bogenlänge, Sehne, Sektor- und Segmentfläche aus dem Mittelpunktswinkel.
- [Trigonometrie-Rechner: sin, cos, tan und Umkehrfunktionen](https://www.calcopenly.com/de/geometry/trig-functions-calculator.md): sin, cos, tan, sec, csc und cot in Grad, Radiant oder Gon, exakt bei Vielfachen von 15°. Dazu Umkehrfunktionen mit allen Lösungen.
- [Steigung, Abstand und Mittelpunkt zweier Punkte](https://www.calcopenly.com/de/geometry/coordinate-geometry-calculator.md): Abstand, Mittelpunkt und Steigung sowie Geradengleichungen in Steigungs-, Standard- und Punkt-Steigungsform berechnen, dazu den Schnittpunkt zweier Geraden.
- [Kreis durch drei Punkte: Mittelpunkt, Radius, Gleichung](https://www.calcopenly.com/de/geometry/circle-through-three-points.md): Mittelpunkt, Radius, Fläche und Gleichung des Kreises durch drei Punkte bestimmen, in der Form (x − h)² + (y − k)² = r² sowie in allgemeiner Form.
- [Winkel umrechnen: Grad, Radiant, DMS und Gon](https://www.calcopenly.com/de/geometry/angle-dms-converter.md): Winkel zwischen Dezimalgrad, Grad-Minuten-Sekunden (DMS), Radiant, Gon, Umdrehungen, Bogenminuten, Bogensekunden und Milliradiant umrechnen.
- [Dachneigung berechnen: Winkel, Gefälle und Steigung](https://www.calcopenly.com/de/geometry/slope-roof-pitch-calculator.md): Aus Höhe und waagerechter Strecke Winkel, Steigung in Prozent und Dachneigung (x zu 12) sowie schräge Länge und Sparrenfaktor berechnen.
- [Vieleckwinkel berechnen: Innen- und Außenwinkel](https://www.calcopenly.com/de/geometry/polygon-angles-calculator.md): Aus Seitenzahl oder einem Winkel eines regelmäßigen Vielecks die Innenwinkelsumme, jeden Innen- und Außenwinkel sowie die Anzahl der Diagonalen berechnen.
- [Vieleckfläche aus Koordinaten: Gaußsche Flächenformel](https://www.calcopenly.com/de/geometry/polygon-area-from-coordinates.md): Fläche, Umfang und Flächenschwerpunkt eines einfachen Vielecks aus den Eckkoordinaten berechnen. Jeder Term der Gaußschen Trapezformel wird angezeigt.
- [Rechner für monatliche Kreditraten](https://www.calcopenly.com/de/finance/emi-calculator.md): Berechne die Monatsrate eines Immobilien-, Auto- oder Privatkredits, die gesamten Zinsen und einen monatlichen Tilgungsplan mit Sondertilgungen.
- [Immobilienkreditrechner](https://www.calcopenly.com/de/finance/mortgage-calculator.md): Schätze die Monatsrate mit Grundsteuer, Versicherung, Eigentümergemeinschaftsgebühren (HOA) und privater Hypothekenversicherung (PMI), samt Tilgungsplan und Ersparnis durch zusätzliche Zahlungen.
- [Refinance calculator](https://www.calcopenly.com/de/finance/refinance-calculator.md): Compare refinancing at your planned sale or payoff month. See payments, closing costs, remaining balances and savings with cash or financed fees.
- [Loan affordability calculator](https://www.calcopenly.com/de/finance/loan-affordability-calculator.md): Find how much you can borrow from the monthly payment you can afford at your rate and term, and the price your down payment then buys.
- [Credit card payoff calculator](https://www.calcopenly.com/de/finance/credit-card-payoff-calculator.md): Calculate how long a credit card balance takes to pay off on minimum payments versus a fixed monthly payment, and the interest each costs.
- [Debt snowball vs avalanche calculator](https://www.calcopenly.com/de/finance/debt-snowball-avalanche-calculator.md): Compare the debt snowball (smallest balance first) and avalanche (highest rate first): months to debt-free, total interest and payoff order.
- [Car lease payment calculator](https://www.calcopenly.com/de/finance/lease-calculator.md): Calculate a monthly car lease payment from the price, residual value and money factor or APR, split into depreciation, finance charge and tax.
- [Zinseszinsrechner](https://www.calcopenly.com/de/finance/compound-interest-calculator.md): Berechne den Endwert einer Einlage mit regelmäßigen Einzahlungen für beliebige Verzinsungsintervalle, einschließlich täglicher und stetiger Verzinsung.
- [Simple interest calculator](https://www.calcopenly.com/de/finance/simple-interest-calculator.md): Calculate simple interest (I = P × r × t) and the maturity amount on a principal for a term in years, months or days.
- [Sparplanrechner (SIP)](https://www.calcopenly.com/de/finance/sip-calculator.md): Schätze den Endwert eines monatlichen Fondssparplans (SIP), auf Wunsch mit jährlicher Erhöhung, oder die nötige Sparrate für ein Ziel.
- [Time value of money calculator (future and present value)](https://www.calcopenly.com/de/finance/time-value-of-money-calculator.md): Solve for the future value, present value, interest rate or time of a lump sum from the other three, with any compounding, including continuous.
- [Savings goal calculator](https://www.calcopenly.com/de/finance/savings-goal-calculator.md): Calculate how much to save each month to reach a savings goal by a date, or how long a monthly deposit takes to get there, with interest.
- [Inflation calculator (future cost and purchasing power)](https://www.calcopenly.com/de/finance/inflation-calculator.md): Calculate what a purchase will cost after inflation, what your money will still buy, and your real return after inflation.
- [Salary to hourly calculator](https://www.calcopenly.com/de/finance/salary-to-hourly-calculator.md): Convert an annual salary to an hourly wage or hourly pay to salary, plus daily, weekly, biweekly, semimonthly and monthly pay.
- [NPV and IRR calculator (with MIRR and payback)](https://www.calcopenly.com/de/finance/npv-irr-calculator.md): Calculate NPV, IRR, modified IRR, payback and discounted payback for a series of periodic cash flows, with the NPV profile across rates.
- [XIRR calculator (irregular cash flows)](https://www.calcopenly.com/de/finance/xirr-calculator.md): Calculate XIRR, the annualized return on cash flows made on irregular dates, and XNPV at your discount rate, matching Excel's actual/365 method.
- [Bond price, yield and duration calculator](https://www.calcopenly.com/de/finance/bond-calculator.md): Calculate a bond's price from its yield to maturity, or the YTM from its price, with current yield, Macaulay and modified duration and convexity.
- [Black-Scholes calculator (option price and Greeks)](https://www.calcopenly.com/de/finance/black-scholes-option-calculator.md): Calculate European call and put prices and the Greeks (delta, gamma, theta, vega, rho) with the Black-Scholes-Merton model, including dividends.
- [Stock average cost calculator (P&L and position size)](https://www.calcopenly.com/de/finance/stock-position-calculator.md): Calculate your average cost per share across several buys, unrealized profit and return, and the position size for your risk and stop loss.
- [ROI and CAGR calculator](https://www.calcopenly.com/de/finance/roi-cagr-calculator.md): Calculate ROI (total return) and CAGR (compound annual growth rate) from an investment's start and end values, over years or between two dates.
- [Retirement calculator](https://www.calcopenly.com/de/finance/retirement-calculator.md): Calculate how much you need to retire on inflation-adjusted expenses, the monthly saving that gets you there, and how the money runs down.
- [Rent vs buy calculator](https://www.calcopenly.com/de/finance/rent-vs-buy-calculator.md): Compare renting and buying a home: net worth from owning versus renting and investing the difference, year by year, and when buying pulls ahead.
- [Break-even calculator](https://www.calcopenly.com/de/finance/break-even-calculator.md): Calculate the break-even point in units and sales revenue from fixed costs, price and variable cost, plus the volume needed for a target profit.
- [Depreciation calculator](https://www.calcopenly.com/de/finance/depreciation-calculator.md): Calculate a depreciation schedule by straight-line, declining balance, double declining, sum-of-years' digits or units of production, with book value.
- [DCF calculator (discounted cash flow valuation)](https://www.calcopenly.com/de/finance/dcf-valuation-calculator.md): Calculate enterprise value, equity value and value per share with a DCF: projected free cash flows plus a Gordon-growth terminal value.
- [GST, VAT and sales tax calculator](https://www.calcopenly.com/de/finance/gst-vat-sales-tax-calculator.md): Add GST, VAT or sales tax to a price, or remove it from a tax-inclusive price, with stacked state and local rates or India's CGST/SGST split.
- [Income tax calculator](https://www.calcopenly.com/de/finance/income-tax-calculator.md): Calculate income tax for India FY 2025-26 (new vs old regime), US federal 2025 and UK 2025-26, with take-home pay and marginal and effective rates.
- [Auto loan calculator](https://www.calcopenly.com/de/finance/auto-loan-calculator.md): Auto loan calculator: monthly car payment with trade-in, amount owed, sales tax and fees, total interest, a payment schedule, or the price a budget buys.
- [Mortgage payoff calculator](https://www.calcopenly.com/de/finance/mortgage-payoff-calculator.md): Mortgage payoff calculator: new payoff date, months and interest saved by extra monthly, yearly or one-time payments, or the extra to finish by a date.
- [Amortization schedule calculator](https://www.calcopenly.com/de/finance/amortization-schedule-calculator.md): Amortization calculator: payment, dated schedule and yearly totals for monthly, biweekly or weekly payments, with principal and interest in each.
- [Student loan calculator](https://www.calcopenly.com/de/finance/student-loan-calculator.md): Student loan calculator: payment, total interest and payoff date on the federal standard, tiered or extended plan or a custom term, with extra payments.
- [Debt consolidation calculator](https://www.calcopenly.com/de/finance/debt-consolidation-calculator.md): Debt consolidation calculator: compare your debts with one loan — monthly payment, total interest, payoff time, APR with fees and the break-even rate.
- [FHA loan calculator](https://www.calcopenly.com/de/finance/fha-loan-calculator.md): FHA loan payment with the 1.75% upfront MIP, the annual MIP from HUD's current table, taxes and insurance, and a check against your county's 2026 loan limit.
- [VA loan calculator](https://www.calcopenly.com/de/finance/va-loan-calculator.md): VA loan payment with the VA funding fee from the current table (first or later use, by down payment), the financed loan amount, taxes and insurance.
- [HELOC and home equity calculator](https://www.calcopenly.com/de/finance/home-equity-loan-calculator.md): Home equity you can borrow at your lender's CLTV limit, and HELOC payments in the interest-only draw period and the repayment period, or a fixed home equity loan.
- [Canadian mortgage calculator](https://www.calcopenly.com/de/finance/canadian-mortgage-calculator.md): Canadian mortgage payment with semi-annual compounding, accelerated bi-weekly or weekly options, the CMHC insurance premium and the balance at renewal.
- [Down payment calculator](https://www.calcopenly.com/de/finance/down-payment-calculator.md): Down payment and closing costs you need, how long your savings take to reach them (or the monthly saving needed), and the PMI cost below 20% down.
- [401k calculator](https://www.calcopenly.com/de/finance/401k-calculator.md): Calculate your 401(k) balance at retirement from salary, contribution rate and a two-tier employer match, with 2026 IRS limits and catch-up.
- [Roth IRA calculator](https://www.calcopenly.com/de/finance/roth-ira-calculator.md): Calculate your 2026 Roth IRA contribution limit after the income phase-out, its growth, and whether a Roth or traditional IRA leaves more after tax.
- [CD calculator](https://www.calcopenly.com/de/finance/cd-calculator.md): Calculate CD interest and maturity value from the APY or APR and compounding, convert APY to APR, and see what an early withdrawal penalty costs.
- [Annuity calculator (growth and payout)](https://www.calcopenly.com/de/finance/annuity-calculator.md): Calculate an annuity's future value from regular payments, the payout a lump sum buys over N years, or how long it lasts at a set withdrawal.
- [RMD calculator (required minimum distribution)](https://www.calcopenly.com/de/finance/rmd-calculator.md): Calculate your required minimum distribution from the IRS Uniform Lifetime or joint table, your RMD starting age (73 or 75), and future RMDs.
- [APR calculator](https://www.calcopenly.com/de/finance/apr-calculator.md): Calculate a loan's APR with fees by the Regulation Z actuarial method, the amount financed, the finance charge and the effective annual rate.
- [Paycheck calculator](https://www.calcopenly.com/de/finance/paycheck-calculator.md): Calculate US take-home pay per paycheck and per year: 2026 federal withholding (IRS Pub. 15-T), Social Security, Medicare, state tax and deductions.
- [House affordability calculator](https://www.calcopenly.com/de/finance/house-affordability-calculator.md): Find how much house you can afford: the highest home price whose payment, tax, insurance, HOA and PMI fit the 28% and 36% debt-to-income limits.
- [Debt-to-income ratio calculator (DTI)](https://www.calcopenly.com/de/finance/debt-to-income-ratio-calculator.md): Calculate your debt-to-income ratio (DTI), front-end and back-end, against lender limits, and the debt cut or income rise that reaches your target.
- [Commission calculator](https://www.calcopenly.com/de/finance/commission-calculator.md): Calculate sales commission at a flat or tiered rate, total pay with base salary, the effective rate, and the sales needed to earn a target commission.
- [Rental property calculator (cap rate and cash flow)](https://www.calcopenly.com/de/finance/rental-property-calculator.md): Calculate a rental property's cap rate, NOI, monthly cash flow, cash-on-cash return and IRR, with a year-by-year projection of rent, value and equity.
- [BMI-Rechner](https://www.calcopenly.com/de/health/bmi-calculator.md): Berechne den Body-Mass-Index aus Größe und Gewicht in metrischen oder imperialen Einheiten, mit WHO-Kategorie für Erwachsene und gesundem Gewichtsbereich für deine Größe.
- [Körperfettrechner](https://www.calcopenly.com/de/health/body-fat-calculator.md): Schätze den Körperfettanteil mit der US-Navy-Maßbandmethode, Jackson-Pollock-Hautfalten an 3 oder 7 Stellen oder dem BMI, samt Fettmasse, fettfreier Masse und ACE-Kategorie.
- [Idealgewichtsrechner](https://www.calcopenly.com/de/health/ideal-weight-calculator.md): Berechne das Idealgewicht nach Größe und Geschlecht mit den Formeln von Devine, Robinson, Miller und Hamwi, samt Gewichtsbereich für einen gesunden BMI.
- [Waist-to-hip and waist-to-height ratio calculator](https://www.calcopenly.com/de/health/waist-to-hip-ratio-calculator.md): Waist-to-hip ratio and waist-to-height ratio from tape measurements, with the WHO risk cut-offs, the NICE bands and the WHO waist size category.
- [Lean body mass calculator](https://www.calcopenly.com/de/health/lean-body-mass-calculator.md): Lean body mass (LBM) from height, weight and sex by the Boer, James and Hume formulas, with the implied body fat percentage.
- [Body surface area calculator](https://www.calcopenly.com/de/health/body-surface-area-calculator.md): Body surface area (BSA) in m² from height and weight by the Mosteller, DuBois and Haycock formulas, with the spread between them.
- [BMR- und TDEE-Rechner](https://www.calcopenly.com/de/health/bmr-tdee-calculator.md): Schätze den Grundumsatz (BMR) nach Mifflin-St Jeor, Harris-Benedict oder Katch-McArdle und den täglichen Kalorienbedarf (TDEE) für fünf Aktivitätsstufen.
- [Kalorien- und Makronährstoffrechner](https://www.calcopenly.com/de/health/calorie-macro-calculator.md): Bestimme das tägliche Kalorienziel zum Abnehmen, Halten oder Zunehmen, mit Grammangaben für Eiweiß, Kohlenhydrate und Fett pro Tag und Mahlzeit.
- [Protein intake calculator](https://www.calcopenly.com/de/health/protein-intake-calculator.md): Daily protein intake in grams from body weight, goal and training level, using published g/kg ranges, with a per-meal split.
- [Water intake calculator](https://www.calcopenly.com/de/health/water-intake-calculator.md): Daily water intake in litres, glasses and fl oz from body weight, exercise and climate, compared with EFSA and US adequate intakes.
- [Heart rate zone calculator](https://www.calcopenly.com/de/health/heart-rate-zone-calculator.md): Heart rate zones from your maximum heart rate (220 − age, Tanaka, Gulati for women, or measured) by the Karvonen or percent-of-max method, with a target heart rate.
- [VO2 max calculator](https://www.calcopenly.com/de/health/vo2-max-calculator.md): VO2 max from the Cooper 12-minute run, the Rockport 1-mile walk or the resting heart-rate ratio, rated against Cooper Institute norms for age and sex.
- [One-rep max calculator](https://www.calcopenly.com/de/health/one-rep-max-calculator.md): One-rep max (1RM) from a set of reps with the Epley, Brzycki, Lombardi and O'Conner equations, plus training loads from 50 % to 100 %.
- [Running pace calculator](https://www.calcopenly.com/de/health/running-pace-calculator.md): Running pace per km or mile from distance and time, or finish time or distance from pace, with even splits and Riegel race predictions.
- [Cycling and swimming pace calculator](https://www.calcopenly.com/de/health/cycling-swimming-pace-calculator.md): Cycling power-to-weight (W/kg), speed and pace, or swimming pace per 100 m and 100 yd with your SWOLF score.
- [Calories burned calculator](https://www.calcopenly.com/de/health/calories-burned-calculator.md): Calories burned by an activity from its MET value in the Compendium of Physical Activities, your body weight and the time spent.
- [Steps to distance and calories calculator](https://www.calcopenly.com/de/health/steps-to-distance-calculator.md): Steps to distance in km and miles from a step length based on your height or measured, with walking time and calories from the ACSM equation.
- [Pregnancy due date calculator](https://www.calcopenly.com/de/health/pregnancy-due-date-calculator.md): Pregnancy due date from the last period, conception date or IVF transfer, with today's gestational age, trimester and milestones (ACOG).
- [Ovulation and fertile window calculator](https://www.calcopenly.com/de/health/ovulation-calculator.md): Ovulation date, fertile window and next period for the coming cycles, from the first day of your last period and your cycle length.
- [Blood pressure category calculator](https://www.calcopenly.com/de/health/blood-pressure-category-calculator.md): Blood pressure category (AHA/ACC) for a systolic/diastolic reading, from normal to stage 2 and severe hypertension, with pulse pressure and MAP.
- [Blood sugar converter (mg/dL to mmol/L)](https://www.calcopenly.com/de/health/blood-sugar-converter.md): Glucose from mg/dL to mmol/L and back, and HbA1c to estimated average glucose (eAG) and IFCC mmol/mol, with ADA categories.
- [Dosage by weight calculator](https://www.calcopenly.com/de/health/dosage-by-weight-calculator.md): Dose by weight from a mg/kg rate and body weight, capped at the single and daily maximum, with the liquid volume in mL for a given strength.
- [Blood alcohol content (BAC) calculator](https://www.calcopenly.com/de/health/blood-alcohol-calculator.md): Blood alcohol content (BAC) estimate by the Widmark formula from drinks, body weight and time, with the elimination curve and time back to zero.
- [Sleep cycle calculator](https://www.calcopenly.com/de/health/sleep-cycle-calculator.md): Bedtimes for a wake-up time, or wake-up times for a bedtime, counted in 90-minute sleep cycles plus the time it takes to fall asleep.
- [Caffeine half-life calculator](https://www.calcopenly.com/de/health/caffeine-half-life-calculator.md): How much caffeine is left in your body from up to three doses, based on its half-life, and when the level drops below an amount you choose.
- [Pregnancy weight gain calculator](https://www.calcopenly.com/de/health/pregnancy-weight-gain-calculator.md): Recommended pregnancy weight gain by pre-pregnancy BMI (IOM 2009), for singletons or twins, with the weekly rate and a week-by-week chart of your gain.
- [Conception calculator: when did I conceive?](https://www.calcopenly.com/de/health/conception-calculator.md): Estimated conception date and fertile window from a due date, the last period or an ultrasound, with the likely range for each dating method.
- [Period calculator: next period dates](https://www.calcopenly.com/de/health/period-calculator.md): Next period date and the following 5 predicted periods, with each cycle's fertile window and ovulation day, from your last period and average cycle length.
- [Army body fat calculator (2026 waist-to-height standard)](https://www.calcopenly.com/de/health/army-body-fat-calculator.md): Army body fat standard for 2026: your waist-to-height ratio, pass or fail against 0.55 (AD 2026-13), the largest passing waist for your height and margin.
- [GFR calculator (eGFR, CKD-EPI 2021)](https://www.calcopenly.com/de/health/gfr-calculator.md): eGFR from serum creatinine (mg/dL or µmol/L), age and sex by the race-free CKD-EPI 2021 equation, with optional cystatin C and the KDIGO G1–G5 stage.
- [Rechner für Tage zwischen zwei Daten](https://www.calcopenly.com/de/datetime/date-difference-calculator.md): Berechne den Abstand zwischen zwei Daten in Tagen, Jahren, Monaten, Wochen und Stunden sowie Arbeitstage ohne Wochenenden und selbst gewählte Feiertage.
- [Altersrechner](https://www.calcopenly.com/de/datetime/age-calculator.md): Berechne das genaue Alter ab dem Geburtsdatum für jeden Stichtag in Jahren, Monaten und Tagen, samt nächstem Geburtstag und Alter in Monaten, Wochen, Tagen und Stunden.
- [Tage zu einem Datum addieren oder davon abziehen](https://www.calcopenly.com/de/datetime/add-subtract-days.md): Finde das Datum eine Anzahl von Tagen, Wochen, Monaten, Jahren oder Arbeitstagen vor oder nach einem Startdatum, samt Wochentag und Verschiebung in Kalendertagen.
- [Countdown-Rechner bis zu einem Datum](https://www.calcopenly.com/de/datetime/countdown-calculator.md): Verfolge Tage, Stunden, Minuten und Sekunden bis zu oder seit einem Datum mit Uhrzeit in jeder Zeitzone, live und unter Berücksichtigung von Zeitumstellungen.
- [Zeitzonenrechner und Besprechungsplaner](https://www.calcopenly.com/de/datetime/time-zone-converter.md): Rechne eine Uhrzeit in die Ortszeit von bis zu 12 weiteren Zeitzonen um, mit Sommerzeitregelung und einem Raster zur Besprechungsplanung.
- [Time calculator: add and subtract hours and minutes](https://www.calcopenly.com/de/datetime/time-duration-calculator.md): Add and subtract hours, minutes and seconds from a list of durations, with the total as H:MM:SS, decimal hours, minutes and seconds.
- [Hours calculator: hours between two times and weekly timesheet](https://www.calcopenly.com/de/datetime/hours-calculator.md): Calculate work hours, breaks and weekly timesheets. Use dates and a time zone for overnight shifts across daylight-saving changes and repeated hours.
- [Business days calculator: add working days to a date](https://www.calcopenly.com/de/datetime/working-days-deadline-calculator.md): The deadline N business days after or before a start date, skipping weekends and the holidays you list, with the calendar days it spans.
- [Unix timestamp converter](https://www.calcopenly.com/de/datetime/unix-timestamp-converter.md): Unix timestamp converter: epoch seconds, milliseconds, microseconds or nanoseconds to an ISO 8601 UTC date and local time, and dates back to epoch time.
- [Week number and day of year](https://www.calcopenly.com/de/datetime/week-number-day-of-year.md): Week number for any date: ISO 8601 week and week-numbering year, US week number, day of the year, days left in the year and the quarter.
- [Day of the week calculator](https://www.calcopenly.com/de/datetime/day-of-the-week-calculator.md): Day of the week for any date, past or future: the weekday in the Gregorian calendar, worked through step by step with Zeller's congruence.
- [Calendar converter (Hijri, Hebrew, Persian, Julian)](https://www.calcopenly.com/de/datetime/calendar-converter.md): Convert a Gregorian date to Hijri (Umm al-Qura and tabular), Hebrew, Persian, Indian national (Saka) and Julian dates, or a Julian date back.
- [Leap year checker](https://www.calcopenly.com/de/datetime/leap-year-checker.md): Leap year checker: whether a year has 366 days under the Gregorian rule, which test decides it, and the previous and next leap years.
- [Sunrise and sunset calculator](https://www.calcopenly.com/de/datetime/sunrise-sunset-calculator.md): Sunrise and sunset times for any place and date, with solar noon, day length and civil twilight, worked out with NOAA's solar calculator method.
- [Längenumrechner](https://www.calcopenly.com/de/conversion/length-converter.md): Meilen in km, Fuß in Meter, Zoll in cm und 16 weitere Längeneinheiten mit exakten Faktoren umrechnen. Auch Fuß und Zoll zusammen werden erkannt, etwa 5 ft 11 in.
- [Flächenumrechner](https://www.calcopenly.com/de/conversion/area-converter.md): Quadratfuß in Quadratmeter, Acre in Hektar und Quadratfuß in indische Flächeneinheiten (Guntha, Cent, Bigha, Marla, Kanal, Ground) mit angegebenen Umrechnungsfaktoren umrechnen.
- [Volumenumrechner](https://www.calcopenly.com/de/conversion/volume-converter.md): Rechne Gallonen in Liter, Tassen in mL und Flüssigunzen in mL exakt um. US-amerikanische und imperiale Gallonen, Pints und Flüssigunzen bleiben getrennt.
- [Gewichtsumrechner (kg, lb, Stone, oz)](https://www.calcopenly.com/de/conversion/weight-converter.md): Rechne kg in Pfund, Pfund oder Stone in kg und Unzen in Gramm mit dem exakten Pfund von 1959 um, außerdem Tonnen, Karat, Feinunzen und Tola.
- [Temperatur umrechnen](https://www.calcopenly.com/de/conversion/temperature-converter.md): Rechne Celsius in Fahrenheit, °F in °C und beide in Kelvin mit °F = °C × 9/5 + 32 um. Mit Rankine und Réaumur; Werte unter dem absoluten Nullpunkt werden abgelehnt.
- [Zeitumrechner](https://www.calcopenly.com/de/conversion/time-converter.md): Rechnen Sie Minuten in Stunden, Stunden in Tage, Wochen in Tage und Jahre in Sekunden um – von Nanosekunden bis Jahrtausenden, mit dem gregorianischen Jahr von 365.2425 Tagen.
- [Geschwindigkeitsumrechner](https://www.calcopenly.com/de/conversion/speed-converter.md): Rechnen Sie mph in km/h, km/h in mph, m/s und Knoten mit exakten Faktoren um; außerdem ft/s, Mach auf Meereshöhe und Lichtgeschwindigkeit.
- [Druckumrechner](https://www.calcopenly.com/de/conversion/pressure-converter.md): Rechnen Sie psi in bar, bar in psi sowie kPa, atm, hPa, mmHg und inHg für Reifen-, Wetter- und Blutdruckwerte mit einer exakten Faktorenkette um.
- [Energieumrechner](https://www.calcopenly.com/de/conversion/energy-converter.md): Rechnen Sie kWh in BTU, Kalorien in Joule, kcal in kJ und Therm in kWh mit den exakten Definitionen von Joule, Kalorie, BTU und Elektronenvolt um.
- [Leistungsumrechner](https://www.calcopenly.com/de/conversion/power-converter.md): Rechnen Sie hp in kW, kW in hp, Watt in Horsepower und BTU/h in Kältetonnen um, mit mechanischer (745.7 W) und metrischer (735.5 W) Pferdestärke.
- [Kraftumrechner](https://www.calcopenly.com/de/conversion/force-converter.md): Convert kgf to newtons, lbf to N and kN to kgf or lbf, using standard gravity (9.80665 m/s²) and the exact pound-force of 4.4482216152605 N.
- [Drehmomentumrechner (N·m, lb-ft)](https://www.calcopenly.com/de/conversion/torque-converter.md): Rechnen Sie N·m in lb-ft, lb-ft in N·m, lb-in und kgf·m für Drehmomentschlüssel und Schrauben um; exakt gilt 1 lbf·ft = 1.3558179483314004 N·m.
- [Umrechner für Datenspeicher](https://www.calcopenly.com/de/conversion/data-storage-converter.md): Rechnen Sie GB in MB, TB in GB und GiB in GB um, mit getrennten dezimalen (kB, MB, GB, TB) und binären (KiB, MiB, GiB, TiB) Präfixen sowie Bits und Bytes.
- [Umrechner für Datenraten (Mbps in MB/s)](https://www.calcopenly.com/de/conversion/data-transfer-rate-converter.md): Rechnen Sie Mbps in MB/s, Gbps in MB/s und kbps in kB/s um. Netzgeschwindigkeiten stehen in Bits pro Sekunde, Dateigrößen und Downloadanzeigen in Bytes.
- [Winkel umrechnen](https://www.calcopenly.com/de/conversion/angle-converter.md): Grad in Radiant und zurück umrechnen, außerdem Gon, Bogenminuten, Bogensekunden, Umdrehungen und Milliradiant. π wird mit 50 Stellen verwendet.
- [Kraftstoffverbrauch umrechnen (mpg in L/100 km)](https://www.calcopenly.com/de/conversion/fuel-economy-converter.md): Rechne zwischen mpg, L/100 km und km/L für US- und britische Gallonen um: L/100 km = 235.215 ÷ US mpg oder 282.481 ÷ UK mpg.
- [Frequenzumrechner](https://www.calcopenly.com/de/conversion/frequency-converter.md): Convert rpm to Hz, Hz to rpm, BPM to Hz, GHz to MHz and hertz to radians per second (ω = 2πf), from Hz to THz.
- [Dichteumrechner](https://www.calcopenly.com/de/conversion/density-converter.md): Convert g/cm³ to kg/m³, kg/m³ to lb/ft³ and lb/gal (ppg), and g/mL to kg/L, with exact factors from the 1959 pound and foot.
- [Volumenstromumrechner](https://www.calcopenly.com/de/conversion/flow-rate-converter.md): L/min in gpm, gpm in L/min, cfm in m³/h und m³/h in L/s für Pumpen, Rohrleitungen und Lüftung umrechnen, mit den exakten Werten für US-Gallone und Kubikfuß.
- [Beschleunigungsumrechner](https://www.calcopenly.com/de/conversion/acceleration-converter.md): Convert g-force to m/s², m/s² to g, ft/s² and gal (cm/s²), using standard gravity g₀ = 9.80665 m/s² exactly.
- [Cup-Gramm-Umrechner zum Kochen und Backen](https://www.calcopenly.com/de/conversion/cooking-converter.md): Cups in Gramm und zurück umrechnen: für 27 Backzutaten wie Mehl, Zucker und Butter anhand der Gewichtstabellen von King Arthur Baking und USDA.
- [Schuhgrößen umrechnen](https://www.calcopenly.com/de/conversion/shoe-size-converter.md): Convert shoe sizes between US men's and women's, UK, EU, India, Japan and Mondopoint via foot length, using the ISO/TS 19407 formulas.
- [Clothing size converter for US, UK and EU sizes](https://www.calcopenly.com/de/conversion/clothing-size-converter.md): Convert clothing sizes between US, UK, EU, German, Italian and Japanese labels for women's dresses and tops, men's suits and shirt collars.
- [CSS-Einheitenrechner (px in rem, em, pt)](https://www.calcopenly.com/de/conversion/css-unit-converter.md): Rechnen Sie px in rem, em, pt, Pica, Zoll und mm anhand der Schriftgröße des Wurzelelements, der Elternschriftgröße und der DPI um. CSS definiert 1 in = 96 px = 72 pt.
- [Lakh, crore, million and billion converter (number to words)](https://www.calcopenly.com/de/conversion/lakh-crore-million-billion-converter.md): Convert lakh and crore to million and billion, and write any number in words in the Indian and international systems, or turn words back into digits.
- [SI and metric prefix converter](https://www.calcopenly.com/de/conversion/si-prefix-converter.md): Convert between SI metric prefixes such as giga, mega, kilo, milli, micro and nano, from quecto (10⁻³⁰) to quetta (10³⁰), including the 2022 additions.
- [Downloadzeit berechnen](https://www.calcopenly.com/de/conversion/download-time-calculator.md): Calculate how long a file takes to download or upload from its size in MB, GB or TB and your internet speed in Mbps, allowing for protocol overhead.
- [Größen- und Gewichtsumrechner: cm in Fuß und Zoll, kg in Stone](https://www.calcopenly.com/de/conversion/height-weight-converter.md): Rechnen Sie Körpergrößen zwischen cm und Fuß/Zoll sowie Gewichte von kg in Pfund oder Stone/Pfund um, mit dem exakt definierten Zoll von 2.54 cm.
- [Umrechner: Zentimeter → Zoll](https://www.calcopenly.com/de/conversion/cm-to-inches.md): Zentimeter (cm) → Zoll (in). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Zoll → Zentimeter](https://www.calcopenly.com/de/conversion/inches-to-cm.md): Zoll (in) → Zentimeter (cm). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Millimeter → Zoll](https://www.calcopenly.com/de/conversion/mm-to-inches.md): Millimeter (mm) → Zoll (in). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Zoll → Millimeter](https://www.calcopenly.com/de/conversion/inches-to-mm.md): Zoll (in) → Millimeter (mm). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Meter → Fuß](https://www.calcopenly.com/de/conversion/meters-to-feet.md): Meter (m) → Fuß (ft). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Fuß → Meter](https://www.calcopenly.com/de/conversion/feet-to-meters.md): Fuß (ft) → Meter (m). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Kilometer → Meile](https://www.calcopenly.com/de/conversion/km-to-miles.md): Kilometer (km) → Meile (mi). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Meile → Kilometer](https://www.calcopenly.com/de/conversion/miles-to-km.md): Meile (mi) → Kilometer (km). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Fuß → Zoll](https://www.calcopenly.com/de/conversion/feet-to-inches.md): Fuß (ft) → Zoll (in). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Zoll → Fuß](https://www.calcopenly.com/de/conversion/inches-to-feet.md): Zoll (in) → Fuß (ft). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Zentimeter → Fuß](https://www.calcopenly.com/de/conversion/cm-to-feet.md): Zentimeter (cm) → Fuß (ft). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Fuß → Zentimeter](https://www.calcopenly.com/de/conversion/feet-to-cm.md): Fuß (ft) → Zentimeter (cm). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Yard → Meter](https://www.calcopenly.com/de/conversion/yards-to-meters.md): Yard (yd) → Meter (m). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Meter → Yard](https://www.calcopenly.com/de/conversion/meters-to-yards.md): Meter (m) → Yard (yd). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Meter → Zoll](https://www.calcopenly.com/de/conversion/meters-to-inches.md): Meter (m) → Zoll (in). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Kilogramm → Pfund](https://www.calcopenly.com/de/conversion/kg-to-lbs.md): Kilogramm (kg) → Pfund (lb). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Pfund → Kilogramm](https://www.calcopenly.com/de/conversion/lbs-to-kg.md): Pfund (lb) → Kilogramm (kg). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Gramm → Unze](https://www.calcopenly.com/de/conversion/grams-to-ounces.md): Gramm (g) → Unze (oz). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Unze → Gramm](https://www.calcopenly.com/de/conversion/ounces-to-grams.md): Unze (oz) → Gramm (g). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Stone → Kilogramm](https://www.calcopenly.com/de/conversion/stones-to-kg.md): Stone (st) → Kilogramm (kg). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Kilogramm → Stone](https://www.calcopenly.com/de/conversion/kg-to-stones.md): Kilogramm (kg) → Stone (st). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Stone → Pfund](https://www.calcopenly.com/de/conversion/stones-to-lbs.md): Stone (st) → Pfund (lb). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Gramm → Pfund](https://www.calcopenly.com/de/conversion/grams-to-pounds.md): Gramm (g) → Pfund (lb). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Milliliter → US-Flüssigunze](https://www.calcopenly.com/de/conversion/ml-to-oz.md): Milliliter (mL) → US-Flüssigunze (fl oz). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: US-Flüssigunze → Milliliter](https://www.calcopenly.com/de/conversion/oz-to-ml.md): US-Flüssigunze (fl oz) → Milliliter (mL). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Liter → US-Gallone](https://www.calcopenly.com/de/conversion/liters-to-gallons.md): Liter (L) → US-Gallone (gal). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: US-Gallone → Liter](https://www.calcopenly.com/de/conversion/gallons-to-liters.md): US-Gallone (gal) → Liter (L). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: US-Cup → Milliliter](https://www.calcopenly.com/de/conversion/cups-to-ml.md): US-Cup (cup) → Milliliter (mL). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Milliliter → US-Cup](https://www.calcopenly.com/de/conversion/ml-to-cups.md): Milliliter (mL) → US-Cup (cup). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: US-Esslöffel → Milliliter](https://www.calcopenly.com/de/conversion/tablespoons-to-ml.md): US-Esslöffel (tbsp) → Milliliter (mL). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: US-Teelöffel → Milliliter](https://www.calcopenly.com/de/conversion/teaspoons-to-ml.md): US-Teelöffel (tsp) → Milliliter (mL). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: US-Cup → US-Flüssigunze](https://www.calcopenly.com/de/conversion/cups-to-ounces.md): US-Cup (cup) → US-Flüssigunze (fl oz). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: US-Quart → Liter](https://www.calcopenly.com/de/conversion/quarts-to-liters.md): US-Quart (qt) → Liter (L). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Quadratfuß → Quadratmeter](https://www.calcopenly.com/de/conversion/square-feet-to-square-meters.md): Quadratfuß (ft²) → Quadratmeter (m²). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Quadratmeter → Quadratfuß](https://www.calcopenly.com/de/conversion/square-meters-to-square-feet.md): Quadratmeter (m²) → Quadratfuß (ft²). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Acre → Quadratfuß](https://www.calcopenly.com/de/conversion/acres-to-square-feet.md): Acre (ac) → Quadratfuß (ft²). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Quadratfuß → Acre](https://www.calcopenly.com/de/conversion/square-feet-to-acres.md): Quadratfuß (ft²) → Acre (ac). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Acre → Hektar](https://www.calcopenly.com/de/conversion/acres-to-hectares.md): Acre (ac) → Hektar (ha). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Hektar → Acre](https://www.calcopenly.com/de/conversion/hectares-to-acres.md): Hektar (ha) → Acre (ac). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Meile pro Stunde → Kilometer pro Stunde](https://www.calcopenly.com/de/conversion/mph-to-kmh.md): Meile pro Stunde (mph) → Kilometer pro Stunde (km/h). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Kilometer pro Stunde → Meile pro Stunde](https://www.calcopenly.com/de/conversion/kmh-to-mph.md): Kilometer pro Stunde (km/h) → Meile pro Stunde (mph). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Knoten → Meile pro Stunde](https://www.calcopenly.com/de/conversion/knots-to-mph.md): Knoten (kn) → Meile pro Stunde (mph). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Pfund pro Quadratzoll → Bar](https://www.calcopenly.com/de/conversion/psi-to-bar.md): Pfund pro Quadratzoll (psi) → Bar (bar). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Bar → Pfund pro Quadratzoll](https://www.calcopenly.com/de/conversion/bar-to-psi.md): Bar (bar) → Pfund pro Quadratzoll (psi). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Pfund pro Quadratzoll → Kilopascal](https://www.calcopenly.com/de/conversion/psi-to-kpa.md): Pfund pro Quadratzoll (psi) → Kilopascal (kPa). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Kilopascal → Pfund pro Quadratzoll](https://www.calcopenly.com/de/conversion/kpa-to-psi.md): Kilopascal (kPa) → Pfund pro Quadratzoll (psi). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Kilokalorie → Kilojoule](https://www.calcopenly.com/de/conversion/kcal-to-kj.md): Kilokalorie (kcal) → Kilojoule (kJ). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Kilojoule → Kilokalorie](https://www.calcopenly.com/de/conversion/kj-to-kcal.md): Kilojoule (kJ) → Kilokalorie (kcal). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: mechanische Pferdestärke → Kilowatt](https://www.calcopenly.com/de/conversion/hp-to-kw.md): mechanische Pferdestärke (hp) → Kilowatt (kW). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Kilowatt → mechanische Pferdestärke](https://www.calcopenly.com/de/conversion/kw-to-hp.md): Kilowatt (kW) → mechanische Pferdestärke (hp). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Megabyte → Gigabyte](https://www.calcopenly.com/de/conversion/mb-to-gb.md): Megabyte (MB) → Gigabyte (GB). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Gigabyte → Megabyte](https://www.calcopenly.com/de/conversion/gb-to-mb.md): Gigabyte (GB) → Megabyte (MB). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Gigabyte → Terabyte](https://www.calcopenly.com/de/conversion/gb-to-tb.md): Gigabyte (GB) → Terabyte (TB). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Terabyte → Gigabyte](https://www.calcopenly.com/de/conversion/tb-to-gb.md): Terabyte (TB) → Gigabyte (GB). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Megabit pro Sekunde → Megabyte pro Sekunde](https://www.calcopenly.com/de/conversion/mbps-to-mbs.md): Megabit pro Sekunde (Mbit/s) → Megabyte pro Sekunde (MB/s). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Unze → Pfund](https://www.calcopenly.com/de/conversion/ounces-to-pounds.md): Unze (oz) → Pfund (lb). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Pfund → Unze](https://www.calcopenly.com/de/conversion/pounds-to-ounces.md): Pfund (lb) → Unze (oz). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Pfund → Stone](https://www.calcopenly.com/de/conversion/lbs-to-stones.md): Pfund (lb) → Stone (st). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Gramm → Kilogramm](https://www.calcopenly.com/de/conversion/grams-to-kg.md): Gramm (g) → Kilogramm (kg). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Kilogramm → Gramm](https://www.calcopenly.com/de/conversion/kg-to-grams.md): Kilogramm (kg) → Gramm (g). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: US-Kurztonne → Pfund](https://www.calcopenly.com/de/conversion/tons-to-pounds.md): US-Kurztonne (ton (US)) → Pfund (lb). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: metrische Tonne → Pfund](https://www.calcopenly.com/de/conversion/metric-tons-to-pounds.md): metrische Tonne (t) → Pfund (lb). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Milliliter → Liter](https://www.calcopenly.com/de/conversion/ml-to-liters.md): Milliliter (mL) → Liter (L). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Liter → Milliliter](https://www.calcopenly.com/de/conversion/liters-to-ml.md): Liter (L) → Milliliter (mL). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: US-Esslöffel → US-Teelöffel](https://www.calcopenly.com/de/conversion/tablespoons-to-teaspoons.md): US-Esslöffel (tbsp) → US-Teelöffel (tsp). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: US-Teelöffel → US-Esslöffel](https://www.calcopenly.com/de/conversion/teaspoons-to-tablespoons.md): US-Teelöffel (tsp) → US-Esslöffel (tbsp). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: US-Cup → US-Esslöffel](https://www.calcopenly.com/de/conversion/cups-to-tablespoons.md): US-Cup (cup) → US-Esslöffel (tbsp). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: US-Esslöffel → US-Cup](https://www.calcopenly.com/de/conversion/tablespoons-to-cups.md): US-Esslöffel (tbsp) → US-Cup (cup). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: US-Flüssigunze → US-Cup](https://www.calcopenly.com/de/conversion/ounces-to-cups.md): US-Flüssigunze (fl oz) → US-Cup (cup). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Liter → US-Cup](https://www.calcopenly.com/de/conversion/liters-to-cups.md): Liter (L) → US-Cup (cup). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: US-Pint → US-Cup](https://www.calcopenly.com/de/conversion/pints-to-cups.md): US-Pint (pt) → US-Cup (cup). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Millimeter → Zentimeter](https://www.calcopenly.com/de/conversion/mm-to-cm.md): Millimeter (mm) → Zentimeter (cm). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Zentimeter → Millimeter](https://www.calcopenly.com/de/conversion/cm-to-mm.md): Zentimeter (cm) → Millimeter (mm). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Zentimeter → Meter](https://www.calcopenly.com/de/conversion/cm-to-meters.md): Zentimeter (cm) → Meter (m). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Meter → Zentimeter](https://www.calcopenly.com/de/conversion/meters-to-cm.md): Meter (m) → Zentimeter (cm). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Meile → Fuß](https://www.calcopenly.com/de/conversion/miles-to-feet.md): Meile (mi) → Fuß (ft). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Fuß → Meile](https://www.calcopenly.com/de/conversion/feet-to-miles.md): Fuß (ft) → Meile (mi). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Meter pro Sekunde → Kilometer pro Stunde](https://www.calcopenly.com/de/conversion/mps-to-kmh.md): Meter pro Sekunde (m/s) → Kilometer pro Stunde (km/h). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Kilometer pro Stunde → Meter pro Sekunde](https://www.calcopenly.com/de/conversion/kmh-to-mps.md): Kilometer pro Stunde (km/h) → Meter pro Sekunde (m/s). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Newtonmeter → Pfund-Fuß](https://www.calcopenly.com/de/conversion/newton-meters-to-foot-pounds.md): Newtonmeter (N·m) → Pfund-Fuß (lbf·ft). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Pfund-Fuß → Newtonmeter](https://www.calcopenly.com/de/conversion/foot-pounds-to-newton-meters.md): Pfund-Fuß (lbf·ft) → Newtonmeter (N·m). Umrechnung mit dem exakten Faktor, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Grad Celsius → Grad Fahrenheit](https://www.calcopenly.com/de/conversion/celsius-to-fahrenheit.md): Grad Celsius (°C) → Grad Fahrenheit (°F). Umrechnung mit der exakten Formel, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Grad Fahrenheit → Grad Celsius](https://www.calcopenly.com/de/conversion/fahrenheit-to-celsius.md): Grad Fahrenheit (°F) → Grad Celsius (°C). Umrechnung mit der exakten Formel, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Grad Celsius → Kelvin](https://www.calcopenly.com/de/conversion/celsius-to-kelvin.md): Grad Celsius (°C) → Kelvin (K). Umrechnung mit der exakten Formel, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Kelvin → Grad Celsius](https://www.calcopenly.com/de/conversion/kelvin-to-celsius.md): Kelvin (K) → Grad Celsius (°C). Umrechnung mit der exakten Formel, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Grad Fahrenheit → Kelvin](https://www.calcopenly.com/de/conversion/fahrenheit-to-kelvin.md): Grad Fahrenheit (°F) → Kelvin (K). Umrechnung mit der exakten Formel, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Kelvin → Grad Fahrenheit](https://www.calcopenly.com/de/conversion/kelvin-to-fahrenheit.md): Kelvin (K) → Grad Fahrenheit (°F). Umrechnung mit der exakten Formel, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Meile pro US-Gallone → Liter pro 100 km](https://www.calcopenly.com/de/conversion/mpg-to-l-100km.md): Meile pro US-Gallone (mpg (US)) → Liter pro 100 km (L/100 km). Umrechnung mit der exakten Formel, einer Umrechnungstabelle und Rechenschritten.
- [Umrechner: Liter pro 100 km → Meile pro US-Gallone](https://www.calcopenly.com/de/conversion/l-100km-to-mpg.md): Liter pro 100 km (L/100 km) → Meile pro US-Gallone (mpg (US)). Umrechnung mit der exakten Formel, einer Umrechnungstabelle und Rechenschritten.
- [Kinematics (SUVAT) calculator](https://www.calcopenly.com/de/science/kinematics-calculator.md): Kinematics calculator for the SUVAT equations: enter three of displacement, initial and final velocity, acceleration and time to get the other two.
- [Projectile motion calculator](https://www.calcopenly.com/de/science/projectile-motion-calculator.md): Projectile motion calculator: range, maximum height, time of flight and impact speed for any launch angle and height, on Earth or other worlds, with drag.
- [F = ma calculator: force, friction and inclined plane](https://www.calcopenly.com/de/science/force-friction-incline-calculator.md): Solve Newton's second law F = ma for force, mass or acceleration, or find acceleration, normal force and friction for a block on an inclined plane.
- [Kinetic and potential energy, work and power calculator](https://www.calcopenly.com/de/science/work-energy-power-calculator.md): Kinetic energy (½mv²), potential energy (mgh), spring energy, work (Fd cos θ) and power (W/t), solved for any variable, plus the speed after a drop.
- [Momentum and collision calculator (elastic and inelastic)](https://www.calcopenly.com/de/science/momentum-collision-calculator.md): Momentum and collision calculator: final velocities, total momentum and kinetic energy lost in an elastic, inelastic or partly elastic head-on collision.
- [Centripetal force, moment of inertia and torque calculator](https://www.calcopenly.com/de/science/circular-motion-rotation-calculator.md): Centripetal force and acceleration from mass, speed and radius; rpm to rad/s and period; moment of inertia of nine shapes; torque from force and lever arm.
- [Orbital velocity and gravity calculator](https://www.calcopenly.com/de/science/gravity-orbit-calculator.md): Orbital velocity and period, escape velocity, surface gravity, your weight on the Moon or Mars, and the gravitational force between two masses.
- [Ohm's law calculator](https://www.calcopenly.com/de/science/ohms-law-calculator.md): Ohm's law calculator: enter any two of voltage, current, resistance and power to get the other two, shown in the units you pick (mA, kΩ…).
- [Resistor colour code calculator](https://www.calcopenly.com/de/science/resistor-color-code-calculator.md): Resistor colour code calculator for 4, 5 and 6-band resistors: colours to ohms and tolerance, or a value to its bands, snapped to E12, E24 or E96.
- [Series and parallel resistor calculator](https://www.calcopenly.com/de/science/series-parallel-calculator.md): Series and parallel resistor calculator: total resistance of any number of resistors, plus capacitors or inductors in series or parallel.
- [RC time constant and RLC circuit calculator](https://www.calcopenly.com/de/science/rc-rl-rlc-circuit-calculator.md): RC and RL time constant and the time to charge or discharge to any percent; series RLC resonant frequency, impedance, phase, Q factor and bandwidth.
- [Voltage divider and LED resistor calculator](https://www.calcopenly.com/de/science/voltage-divider-led-resistor-calculator.md): Voltage divider output, or R1 or R2 for a target voltage; the current-limiting resistor for LEDs with its nearest E12 value and power rating.
- [Voltage drop and AWG wire gauge calculator](https://www.calcopenly.com/de/science/wire-gauge-voltage-drop-calculator.md): Voltage drop over a DC, single-phase or three-phase cable run, plus AWG wire size to diameter, mm², kcmil and resistance per km, and back.
- [Electricity cost calculator](https://www.calcopenly.com/de/science/electricity-cost-calculator.md): Electricity cost of running an appliance per hour, day, month and year, from its wattage, hours of use and your price per kWh (unit).
- [Wavelength, frequency and photon energy calculator](https://www.calcopenly.com/de/science/wavelength-frequency-energy-calculator.md): Convert wavelength to frequency and photon energy, or back, with c = fλ and E = hf, and see where the wave sits in the electromagnetic spectrum.
- [Thin lens, mirror and Snell's law calculator](https://www.calcopenly.com/de/science/optics-lens-snell-calculator.md): Thin lens and mirror equation for image distance, object distance or focal length, with magnification; Snell's law refraction and critical angle.
- [Specific heat, latent heat and Carnot efficiency calculator](https://www.calcopenly.com/de/science/heat-transfer-calculator.md): Heat energy from Q = mcΔT (solve for heat, mass, final temperature or specific heat), latent heat Q = mL for melting or boiling, and Carnot efficiency.
- [Ideal gas law calculator](https://www.calcopenly.com/de/science/ideal-gas-law-calculator.md): Solve the ideal gas law PV = nRT for pressure, volume, moles or temperature in any units, or find a new state with the combined gas law.
- [Molar mass calculator](https://www.calcopenly.com/de/science/molar-mass-calculator.md): Molar mass in g/mol and mass percent composition of any chemical formula, with brackets and hydrates such as CuSO4·5H2O, from IUPAC 2021 atomic weights.
- [Grams to moles and stoichiometry calculator](https://www.calcopenly.com/de/science/moles-stoichiometry-calculator.md): Convert grams to moles and particles for any chemical formula, and find the limiting reagent, theoretical yield and leftover excess of a balanced reaction.
- [Dilution and molarity calculator](https://www.calcopenly.com/de/science/dilution-concentration-calculator.md): Solve C₁V₁ = C₂V₂ for any dilution variable, get molarity, % w/v and ppm from a weighed mass, the mass to weigh for a solution, or molality.
- [pH calculator for acids, bases and buffers](https://www.calcopenly.com/de/science/ph-calculator.md): Calculate pH, pOH, [H⁺] and [OH⁻] from a concentration, a strong acid or base, a weak acid's Ka or pKa, or a Henderson–Hasselbalch buffer.
- [Half-life and radioactive decay calculator](https://www.calcopenly.com/de/science/half-life-radioactive-decay-calculator.md): Half-life calculator: amount left, starting amount, elapsed time or half-life from N = N₀·2^(−t/t½), with carbon-14 and other isotope presets.
- [Astronomy calculator: light time, magnitudes and redshift](https://www.calcopenly.com/de/science/astronomy-calculator.md): Light travel time for any distance, apparent and absolute magnitude from the distance modulus, and redshift to recession velocity (relativistic Doppler).
- [Percent error and uncertainty propagation calculator](https://www.calcopenly.com/de/science/percent-error-propagation-calculator.md): Percent error from measured and accepted values, and uncertainty propagation through sums, products, quotients and powers, in quadrature or worst case.
- [Descriptive statistics calculator](https://www.calcopenly.com/de/statistics/descriptive-statistics-calculator.md): Descriptive statistics calculator: mean, median, mode, standard deviation, variance, quartiles, IQR, outliers, skewness and kurtosis, with a histogram.
- [Grade curve calculator](https://www.calcopenly.com/de/statistics/grade-curve-calculator.md): Grade curve calculator: rescale a class's scores to a target mean and standard deviation, or add flat points, with z-scores and percentile ranks.
- [Normal distribution & z-score calculator](https://www.calcopenly.com/de/statistics/normal-distribution-calculator.md): Normal distribution calculator: z-scores, the probability below, above or between values, and the value at any percentile (inverse normal).
- [Binomial & Poisson distribution calculator](https://www.calcopenly.com/de/statistics/binomial-poisson-distribution-calculator.md): Binomial distribution calculator: exact P(X = k), P(X ≤ k), tails and ranges for binomial, Poisson, geometric, negative binomial and hypergeometric.
- [t, chi-square & F distribution calculator](https://www.calcopenly.com/de/statistics/t-chi-square-f-distribution-calculator.md): t, chi-square and F distribution calculator: tail areas, p-values, densities and critical values, plus exponential and uniform distributions.
- [Confidence interval calculator](https://www.calcopenly.com/de/statistics/confidence-interval-calculator.md): Confidence interval calculator for a mean (t or z), a proportion (Wilson or Wald) or a difference of two means, with the margin of error and both bounds.
- [t-test and z-test calculator](https://www.calcopenly.com/de/statistics/t-test-calculator.md): t-test calculator for one-sample, two-sample (Welch or pooled) and paired tests, plus z-tests for a mean or proportion: p-value, critical value, decision.
- [Chi-square test calculator](https://www.calcopenly.com/de/statistics/chi-square-test-calculator.md): Chi-square test calculator for goodness of fit and independence in a contingency table: χ², p-value, expected counts and Cramér's V.
- [One-way ANOVA calculator](https://www.calcopenly.com/de/statistics/one-way-anova-calculator.md): One-way ANOVA calculator: the F statistic, p-value, sums of squares, mean squares and η² for two or more groups, with the full ANOVA table.
- [Sample size and power calculator](https://www.calcopenly.com/de/statistics/sample-size-calculator.md): Sample size calculator for surveys and studies: n for a margin of error on a proportion or mean, and the per-group n for a target power.
- [Linear regression calculator (line of best fit)](https://www.calcopenly.com/de/statistics/regression-calculator.md): Linear regression calculator: least-squares line of best fit with R², standard errors, p-values and predictions, plus polynomial and exponential fits.
- [Correlation coefficient calculator (Pearson and Spearman)](https://www.calcopenly.com/de/statistics/correlation-coefficient-calculator.md): Correlation coefficient calculator: Pearson's r or Spearman's rank correlation for paired data, with r², a t statistic and a two-sided p-value.
- [Permutation and combination calculator (nPr, nCr)](https://www.calcopenly.com/de/statistics/permutations-combinations-calculator.md): Calculate nCr and nPr exactly: combinations and permutations with or without repetition, for poker hands, lottery odds and PIN codes.
- [Probability calculator (events & Bayes' theorem)](https://www.calcopenly.com/de/statistics/probability-calculator.md): Calculate P(A or B), P(A and B) and P(A | B) for two events, or apply Bayes' theorem to a test result, with a probability tree and Venn diagram.
- [Dice, coin and card probability calculator](https://www.calcopenly.com/de/statistics/dice-coin-card-probability-calculator.md): Exact probability of dice sums, coin-flip heads and streaks, drawing special cards from a deck and each 5-card poker hand, as a fraction and 1 in N.
- [Expected value calculator](https://www.calcopenly.com/de/statistics/expected-value-calculator.md): Calculate expected value E[X], variance and standard deviation for a bet, game or decision from its outcomes and their probabilities or weights.
- [Odds converter (fractional, decimal, American, probability)](https://www.calcopenly.com/de/statistics/odds-converter.md): Convert odds between fractional, decimal and American (moneyline) formats and get the implied probability, worked in exact fractions.
- [Random number generator (seeded)](https://www.calcopenly.com/de/statistics/random-number-generator.md): Generate random numbers from a seed: integers in a range, decimals, lottery-style draws without repeats and dice rolls, repeatable with xoshiro256**.
- [Room area and square footage calculator](https://www.calcopenly.com/de/construction/room-area-calculator.md): Floor area in square metres and square feet, wall area, perimeter and volume for one or more rectangular rooms or an L-shaped room.
- [Paint calculator](https://www.calcopenly.com/de/construction/paint-calculator.md): Paint calculator: litres, US gallons and whole cans of paint and primer for a room, from wall area minus doors and windows, coats and coverage.
- [Flooring and tile calculator](https://www.calcopenly.com/de/construction/tile-calculator.md): Tile calculator: tiles and boxes for a floor or wall from room size, tile size, grout joint and waste allowance, plus grout in litres and kg.
- [Concrete calculator](https://www.calcopenly.com/de/construction/concrete-calculator.md): Calculate concrete volume and bags for slabs, footings, columns or steps. Compare bag and ready-mix quotes with delivery fees, minimums and order increments.
- [Brick calculator: bricks, blocks and mortar](https://www.calcopenly.com/de/construction/brick-calculator.md): Brick calculator: bricks or blocks for a wall from its size, openings, unit size and joint, with count per m² or ft², mortar volume and waste.
- [Roofing and shingle calculator](https://www.calcopenly.com/de/construction/roofing-calculator.md): Roof area, squares and shingle bundles from building size and pitch, with underlayment rolls, ridge cap and the IRC minimum slope check.
- [Stair calculator](https://www.calcopenly.com/de/construction/stair-calculator.md): Number of steps, riser height, tread depth, stringer length and stair angle from total rise and run, checked against IRC riser and tread limits.
- [Drywall and plasterboard calculator](https://www.calcopenly.com/de/construction/drywall-calculator.md): Drywall sheets for a room's walls and ceiling after doors and windows, with screws, joint tape and compound, for 4 × 8 ft or metric plasterboard.
- [Board foot calculator for lumber and timber](https://www.calcopenly.com/de/construction/board-foot-calculator.md): Board foot calculator: board feet, linear feet, volume and cost for a stack of lumber, at nominal size and at the dressed size of a 2x4, 2x6 and more.
- [Gravel calculator for gravel, sand, soil and mulch](https://www.calcopenly.com/de/construction/gravel-calculator.md): Gravel calculator: cubic metres, cubic yards, tonnes, bags and truck loads of gravel, sand, topsoil or mulch for an area and depth.
- [Fence calculator](https://www.calcopenly.com/de/construction/fence-calculator.md): Fence calculator: posts, rails, pickets and bags of concrete for a straight fence run, from its length, post spacing, picket width and gap.
- [Deck calculator](https://www.calcopenly.com/de/construction/deck-calculator.md): Deck boards, joists and screws or hidden clips for a rectangular deck, from its size, joist spacing, board width, gap and waste allowance.
- [Wallpaper calculator](https://www.calcopenly.com/de/construction/wallpaper-calculator.md): Wallpaper calculator: rolls to buy from wall width and height, roll size, pattern repeat and trimming, counted as full-height drops per roll.
- [Electrical load and breaker size calculator](https://www.calcopenly.com/de/construction/electrical-load-calculator.md): Breaker size for one circuit: total watts and amps from a list of appliances, with the NEC 125% continuous-load rule and NEC or IEC breaker ratings.
- [Air conditioner BTU calculator](https://www.calcopenly.com/de/construction/btu-calculator.md): Air conditioner size for a room in BTU/h, tons and kW from floor area, ceiling height, insulation, sun and occupants, beside the Energy Star chart.
- [Pool volume and tank capacity calculator](https://www.calcopenly.com/de/construction/pool-volume-calculator.md): Pool volume in gallons, litres and m³ for rectangular, round or oval pools and water tanks, with fill time and the chlorine dose to raise ppm.
- [Solar panel calculator](https://www.calcopenly.com/de/construction/solar-panel-calculator.md): How many solar panels you need: system size in kW, panel count, yearly kWh, installed cost and payback from your use and peak sun hours.
- [Trip fuel cost calculator](https://www.calcopenly.com/de/construction/fuel-cost-calculator.md): Fuel cost of a trip from distance, mpg or L/100 km and fuel price, with tolls, a round-trip option and the cost split per person.
- [EV charging cost and time calculator](https://www.calcopenly.com/de/construction/ev-charging-calculator.md): EV charging cost and time between two battery levels at any charger power, with range added and cost per 100 km or miles against petrol.
- [Car ownership cost calculator](https://www.calcopenly.com/de/construction/car-ownership-cost-calculator.md): Total cost of owning a car over 1–15 years: depreciation, fuel, insurance, maintenance and loan interest, per year, per km and per mile.
- [Tip calculator and bill splitter](https://www.calcopenly.com/de/everyday/tip-and-bill-split-calculator.md): Tip calculator for any bill: tip on the pre-tax or after-tax total, then split it evenly or by shares, with each person's share rounded up.
- [Discount, markup and margin calculator](https://www.calcopenly.com/de/everyday/discount-and-markup-calculator.md): Sale price after one or more percent-off discounts, and selling price from cost using a markup or a profit margin, with each converted to the other.
- [Unit price comparison calculator](https://www.calcopenly.com/de/everyday/unit-price-comparison-calculator.md): Unit price calculator: compare up to four pack sizes by price per kg, litre, 100 g, ounce or item to see which is cheapest and by how much.
- [Rezeptmengen anpassen](https://www.calcopenly.com/de/everyday/recipe-scaler.md): Scale a recipe to any number of servings: each ingredient is multiplied by new ÷ original servings, with cups and spoons shown as kitchen fractions.
- [Oven temperature and pan size converter](https://www.calcopenly.com/de/everyday/oven-temperature-and-pan-size-converter.md): Convert oven temperatures between °C, °F, fan oven and gas mark, and work out how much to scale a recipe for a different round, square or rectangular pan.
- [Grade calculator](https://www.calcopenly.com/de/everyday/grade-calculator.md): Grade calculator for weighted categories: your current course grade, and the score you need on the final exam or remaining work to reach a target.
- [GPA calculator](https://www.calcopenly.com/de/everyday/gpa-calculator.md): GPA calculator: credit-weighted grade point average on the 4.0 scale from letter grades, plus percentage-to-GPA and CBSE CGPA-to-percentage conversions.
- [Word counter and reading time calculator](https://www.calcopenly.com/de/everyday/word-count-and-reading-time.md): Word counter: words, characters with and without spaces, sentences and paragraphs, plus reading time at 238 wpm and speaking time at 150 wpm.
- [PPI calculator for screen size and aspect ratio](https://www.calcopenly.com/de/everyday/screen-size-ppi-calculator.md): PPI calculator: pixel density from resolution and diagonal, plus screen width and height, aspect ratio, dot pitch and the distance where pixels blend.
- [Dog years and cat years calculator](https://www.calcopenly.com/de/everyday/dog-and-cat-age-in-human-years.md): Dog years and cat years calculator: a pet's age in human years from the AAHA/Zoetis size chart or the International Cat Care table, for fun comparisons.
- [Group expense splitter for trips and parties](https://www.calcopenly.com/de/everyday/trip-expense-splitter.md): Expense splitter: enter who paid what to get each person's equal share and who owes whom, settled with the fewest possible payments.
- [Travel budget and jet lag calculator](https://www.calcopenly.com/de/everyday/travel-budget-and-jet-lag-calculator.md): Trip budget from daily spending per person, fixed costs and a contingency, plus how many days of jet lag to expect after crossing time zones.
- [Tire size and speedometer calculator](https://www.calcopenly.com/de/everyday/tire-size-and-speedometer-calculator.md): Tire diameter, sidewall height and revolutions per km from a size such as 225/45R17, and the speedometer error when you change tire sizes.
- [Love calculator (just for fun)](https://www.calcopenly.com/de/everyday/love-compatibility-calculator.md): For entertainment only: a love compatibility score from 0 to 100 made from two names. The same pair always gets the same score; it predicts nothing.
- [Case converter: title, sentence, upper and lower case](https://www.calcopenly.com/de/everyday/case-converter.md): Convert text to title case, sentence case, UPPER or lower case, or to camelCase, snake_case and kebab-case, with character and word counts.
- [Wedding and event budget calculator](https://www.calcopenly.com/de/everyday/wedding-and-event-budget-calculator.md): Split a wedding or event budget across categories by percentage or fixed amount, with the cost per guest and what is left to allocate.
- [Gas mileage calculator (MPG calculator)](https://www.calcopenly.com/de/everyday/gas-mileage-calculator.md): Gas mileage calculator: MPG (US and UK), L/100 km and km/L from odometer readings and fuel added, cost per mile, and a fill-up log with trend chart.
- [Bra size calculator](https://www.calcopenly.com/de/everyday/bra-size-calculator.md): Bra size calculator: band and cup from underbust and bust in inches or cm, in US, UK, EU, FR/BE and AU sizes, with sister sizes and the method stated.
- [Golf handicap calculator (World Handicap System)](https://www.calcopenly.com/de/everyday/golf-handicap-calculator.md): Golf handicap calculator: World Handicap System Handicap Index from your score differentials (best 8 of 20), then course and playing handicap for any tee.
- [Horsepower calculator: torque, rpm and quarter-mile](https://www.calcopenly.com/de/science/horsepower-calculator.md): Horsepower from torque and rpm (hp = lb-ft × rpm ÷ 5252) or from quarter-mile ET and trap speed, with crank vs wheel horsepower and drivetrain loss.
- [Military time converter (24-hour time)](https://www.calcopenly.com/de/datetime/military-time-converter.md): Military time converter: 12-hour to 24-hour time and back, how it is spoken, time-zone letters with the Zulu equivalent, and a full-day chart.
- [Binary, hex and decimal converter](https://www.calcopenly.com/de/programming/binary-hex-converter.md): Convert numbers between binary, decimal, hex, octal and any base 2–36, including fractions, repeating digits and two's-complement bits for negatives.
- [Bitwise calculator (AND, OR, XOR, NOT and shifts)](https://www.calcopenly.com/de/programming/bitwise-calculator.md): Bitwise AND, OR, XOR, NOT, NAND, NOR, shifts and rotates on 8- to 64-bit integers, shown in decimal, hex and binary with a bit-by-bit grid.
- [Big-O time complexity calculator](https://www.calcopenly.com/de/programming/big-o-growth-calculator.md): Operation counts and running times for O(1), O(log n), O(n), O(n log n), O(n²), O(n³), O(2ⁿ) and O(n!) at your input size, on a log-scale chart.
- [Hash generator and checksum calculator (MD5, SHA-256)](https://www.calcopenly.com/de/programming/hash-checksum-calculator.md): Generate MD5, SHA-1, SHA-256, SHA-512 and CRC-32 hashes of any text, check them against a published checksum, and see the avalanche effect.
- [Base64, URL and HTML encoder and decoder](https://www.calcopenly.com/de/programming/text-encoder-decoder.md): Encode or decode Base64, URL-safe Base64, URL percent-encoding, HTML entities, hex bytes and Unicode code points, with UTF-8 and UTF-16 byte counts.
- [UUID generator and decoder (v4, v7)](https://www.calcopenly.com/de/programming/uuid-decoder-generator.md): Generate reproducible UUID v4 and v7 values from a seed, or validate any UUID or GUID and decode its version, variant and embedded timestamp.
- [JSON formatter and validator](https://www.calcopenly.com/de/programming/json-formatter-validator.md): Format (pretty-print) or minify JSON and validate it against RFC 8259, with the line and column of any syntax error explained in plain words.
- [Color code converter (HEX, RGB, HSL, CMYK, OKLCH)](https://www.calcopenly.com/de/programming/color-code-converter.md): Convert a color from HEX to RGB, HSL, HSV, CMYK, CIE Lab and OKLCH or back, and find its nearest CSS named color and relative luminance.
- [Color contrast checker (WCAG 2.2)](https://www.calcopenly.com/de/programming/wcag-contrast-checker.md): Check the WCAG 2.2 contrast ratio between a text color and its background, with AA and AAA pass or fail for normal text, large text and UI parts.
- [Color palette generator (complementary, triadic, analogous)](https://www.calcopenly.com/de/programming/color-palette-generator.md): Generate complementary, analogous, triadic, split-complementary, tetradic or monochromatic color palettes from one base color, with HEX codes.
- [Color blindness simulator](https://www.calcopenly.com/de/programming/color-blindness-simulator.md): How a color looks with protanopia, deuteranopia or tritanopia (red, green or blue color blindness), using the Machado et al. (2009) model.
- [Aspect ratio calculator (16:9, 4:3, 21:9)](https://www.calcopenly.com/de/programming/aspect-ratio-resolution-calculator.md): Find the aspect ratio of any resolution, such as 1920 × 1080 = 16:9, resize it to a new width or height, or fit it in a screen with letterbox bars.
- [Subnet calculator (IPv4 and IPv6 CIDR)](https://www.calcopenly.com/de/programming/subnet-cidr-calculator.md): Find the network address, broadcast, usable host range and host count of any IPv4 or IPv6 CIDR block, with netmask, wildcard and equal subnets.
- [RAID calculator (RAID 0, 1, 5, 6 and 10)](https://www.calcopenly.com/de/programming/raid-storage-calculator.md): Calculate usable RAID capacity, parity or mirror overhead and how many drive failures RAID 0, 1, 5, 6 and 10 survive, in TB and the TiB Windows shows.
- [Bandwidth and download time calculator](https://www.calcopenly.com/de/programming/bandwidth-data-transfer-calculator.md): Download or upload time for a file at a given speed, the data a link moves in a set time, and a website's monthly bandwidth from page views.
- [Password strength checker and generator](https://www.calcopenly.com/de/programming/password-strength-generator.md): Check a password's entropy in bits and its average brute-force crack time at a chosen guess rate, or generate a password from a reproducible seed.
- [Cron expression parser and explainer](https://www.calcopenly.com/de/programming/cron-expression-parser.md): Translate a five-field cron expression or crontab line into plain English and list its next run times after any start date and time, in UTC.
- [Moon phase calculator](https://www.calcopenly.com/de/earth/moon-phase-calculator.md): Moon phase for any date and time: the phase name, percentage illuminated and moon age in days, with the dates of the next new and full moons.
- [Wind chill, heat index and dew point calculator](https://www.calcopenly.com/de/earth/wind-chill-heat-index-dew-point.md): Wind chill and heat index calculator: the feels-like temperature from the NWS formulas, plus dew point, frostbite risk and heat-stress level.
- [Air pressure at altitude and boiling point calculator](https://www.calcopenly.com/de/earth/altitude-air-pressure-boiling-point.md): Air pressure at altitude from the standard atmosphere, with temperature, air density and the boiling point of water, or the altitude for a given pressure.
- [Personal carbon footprint calculator](https://www.calcopenly.com/de/earth/carbon-footprint-calculator.md): Carbon footprint calculator: yearly tonnes of CO₂e from driving, flights, train and bus, home electricity and diet, using UK government emission factors.
- [Rainwater harvesting calculator](https://www.calcopenly.com/de/earth/rainwater-harvesting-calculator.md): Rainwater harvesting calculator: yearly litres or gallons a roof collects from its area, rainfall and efficiency, and the share of household use it covers.
- [Zodiac sign calculator: star sign and Chinese zodiac](https://www.calcopenly.com/de/earth/zodiac-sign-calculator.md): Zodiac sign calculator: your star sign and its element from a birth date, plus the Chinese zodiac animal, element and yin or yang. For entertainment.
- [Life path number calculator (numerology)](https://www.calcopenly.com/de/earth/life-path-number-calculator.md): Life path number calculator: a birth date reduced to a numerology number from 1 to 9, or the master numbers 11, 22 and 33, with every step shown.