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Finance calculators

Loan EMI and mortgage payments, compound interest, SIP and retirement plans, NPV and IRR, bond yields, option prices and income tax for India, the US and the UK, with full schedules and charts.

49 calculators · 291 checked examples

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Money

Loans

Interest & growth

Income

Investing

Planning

Business

Tax

Retirement

Choosing a calculator: Finance

Which calculator gives my monthly loan payment?

The EMI calculator gives a loan's scheduled principal-and-interest payment. Use the mortgage calculator instead when taxes, insurance and other housing costs belong in the monthly budget.

Loan payments · Mortgage budget and guide

How do I know whether refinancing is worth it?

The refinance calculator compares the two loans at the month you plan to sell or pay off, after closing costs and remaining balances. A lower payment that comes from a longer term can still increase the total interest you pay.

Refinance timing

Which calculator projects how savings grow?

Use the compound interest calculator for growth at a stated annual rate, and the retirement calculator to compare retirement scenarios. Compounding frequency, contribution timing, fees and inflation all change the result, and the output illustrates a model rather than predicting returns.

Compound interest guide · Retirement scenarios

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