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Free calculators for money, maths, health and everyday life. Built for India, fast on any phone, no sign-up.

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Financial

Loans, investments, tax and savings

Math

Fractions, percentages, algebra and statistics

Fitness & Health

BMI, calories, body fat and more

Other

Dates, time, conversions and everyday tools

EPF Calculator: employee contributions, employer split and balance

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EMI CalculatorSIP CalculatorGST CalculatorIncome Tax CalculatorBMI CalculatorAge CalculatorFD CalculatorPercentage CalculatorPPF CalculatorCompound InterestGratuity CalculatorCalorie Calculator

What you can do here

Calculatr.in collects everyday calculators in one place. Work out a loan instalment with the EMI calculator, plan investing with the SIP calculator, add or remove tax with the GST calculator, or check your BMI. Each page shows the formula it uses, a worked example and answers to common questions.

Results are estimates for general information, not financial, tax or medical advice.

Frequently asked questions

Are the calculators really free?

Yes. There is no sign-up and no fee.

Is my data saved?

Calculator inputs stay in your browser and are not sent to us. The currency converter fetches current exchange rates from our server; that request carries no amounts.

Can I rely on the results for financial or medical decisions?

Treat results as estimates. Lenders, tax rules and health advice vary, so confirm with your bank, a tax adviser or a doctor before acting.

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