健康とフィットネスの計算機

メートル法またはヤード・ポンド法の身長と体重からBMIを計算し、WHOの成人向け区分と身長に応じた健康的な体重範囲を表示します。

米海軍の周囲長法、Jackson-Pollockの3点・7点皮下脂肪厚法、またはBMIから体脂肪率を推定し、脂肪量・除脂肪量とACE区分を表示します。

身長と性別からDevine、Robinson、Miller、Hamwiの式で理想体重を計算し、健康的なBMIに対応する体重範囲を表示します。

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.

Body surface area (BSA) in m² from height and weight by the Mosteller, DuBois and Haycock formulas, with the spread between them.

Lean body mass (LBM) from height, weight and sex by the Boer, James and Hume formulas, with the implied body fat percentage.

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.

Mifflin-St Jeor、Harris-Benedict、Katch-McArdleの式で基礎代謝量（BMR）を推定し、5段階の活動量に応じた1日の必要カロリー（TDEE）を計算します。

減量・維持・増量のための1日の目標カロリーと、1日および1食あたりのたんぱく質・炭水化物・脂質のグラム数を計算します。

Daily protein intake in grams from body weight, goal and training level, using published g/kg ranges, with a per-meal split.

Daily water intake in litres, glasses and fl oz from body weight, exercise and climate, compared with EFSA and US adequate intakes.

Calories burned by an activity from its MET value in the Compendium of Physical Activities, your body weight and the time spent.

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.

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 per km or mile from distance and time, or finish time or distance from pace, with even splits and Riegel race predictions.

Cycling power-to-weight (W/kg), speed and pace, or swimming pace per 100 m and 100 yd with your SWOLF score.

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.

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.

Pregnancy due date from the last period, conception date or IVF transfer, with today's gestational age, trimester and milestones (ACOG).

Estimated conception date and fertile window from a due date, the last period or an ultrasound, with the likely range for each dating method.

Ovulation date, fertile window and next period for the coming cycles, from the first day of your last period and your cycle length.

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.

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.

Blood pressure category (AHA/ACC) for a systolic/diastolic reading, from normal to stage 2 and severe hypertension, with pulse pressure and MAP.

Glucose from mg/dL to mmol/L and back, and HbA1c to estimated average glucose (eAG) and IFCC mmol/mol, with ADA categories.

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.

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.

Blood alcohol content (BAC) estimate by the Widmark formula from drinks, body weight and time, with the elimination curve and time back to zero.

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.

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.