sin, cos and tan use angles in radians.
Free calculators for money, maths, health and everyday life. Built for India, fast on any phone, no sign-up.
Loans, investments, tax and savings
Fractions, percentages, algebra and statistics
BMI, calories, body fat and more
Dates, time, conversions and everyday tools
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.
Yes. There is no sign-up and no fee.
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.
Treat results as estimates. Lenders, tax rules and health advice vary, so confirm with your bank, a tax adviser or a doctor before acting.