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Accurate answers for mortgages, loans, investments, health and everyday maths — with the formulas and worked examples behind every result.

Popular: Mortgage Loan Compound Interest Income Tax SIP EMI GST

Financial Mortgages, loans, investments, taxes and business maths. Browse 20 India SIP, EMI, GST, PPF, NPS and other India-specific tools. Browse 10 Health BMI, calories, macros, body fat and pregnancy tracking. Browse 10 Math Scientific, percentage, fractions, GPA and grades. Browse 5 Everyday Dates, time, unit conversion, counters and generators. Browse 15

Most used calculators

The tools people reach for every day.

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Mortgage Calculator Estimate monthly mortgage payments with taxes, insurance and PMI. Loan Calculator Work out payments, total interest and payoff time for any loan. Compound Interest Calculator See how savings grow with compounding and regular contributions. Income Tax Calculator Estimate federal income tax, effective rate and take-home pay. SIP Calculator Project mutual fund returns from a monthly SIP investment. EMI Calculator Calculate loan EMI with full amortisation schedule. GST Calculator Add or remove GST and split it into CGST, SGST and IGST. BMI Calculator Check your body mass index and healthy weight range. Calorie Calculator Find daily calories to lose, maintain or gain weight. Scientific Calculator Full scientific calculator with trig, logs and memory. Percentage Calculator Solve every common percentage problem in one place. Age Calculator Find your exact age in years, months, days and more.

Financial Calculators

Mortgages, loans, investments, taxes and business maths.

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Mortgage Calculator Loan Calculator Auto Loan Calculator Interest Calculator Compound Interest Calculator Investment Calculator Retirement Calculator Payment Calculator Income Tax Calculator Sales Tax Calculator Salary Calculator Tip Calculator Discount Calculator Currency Converter Inflation Calculator ROI Calculator Profit Margin Calculator Markup Calculator Invoice Calculator Break-Even Calculator

India Calculators

SIP, EMI, GST, PPF, NPS and other India-specific tools.

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SIP Calculator EMI Calculator GST Calculator PPF Calculator FD Calculator RD Calculator NPS Calculator HRA Calculator Lumpsum Calculator Gratuity Calculator

Health & Fitness Calculators

BMI, calories, macros, body fat and pregnancy tracking.

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BMI Calculator Calorie Calculator Body Fat Calculator BMR Calculator Ideal Weight Calculator Pregnancy Calculator Due Date Calculator Macro Calculator TDEE Calculator Pace Calculator

Math Calculators

Scientific, percentage, fractions, GPA and grades.

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Scientific Calculator Percentage Calculator Fraction Calculator GPA Calculator Grade Calculator

Everyday Tools

Dates, time, unit conversion, counters and generators.

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Age Calculator Date Calculator Time Calculator Unit Converter Password Generator Word Counter Character Counter Countdown Timer Online Stopwatch Days Between Dates Hours Calculator Time Card Calculator Day of the Week Calculator Roman Numeral Converter Random Number Generator

Built to be trusted

Every calculator shows its formula, so you can check our working.

Verified formulas

Each tool cites the standard formula it uses — IRS, WHO, CDC, SEBI or RBI — and shows a worked example.

Instant results

Everything runs in your browser. Results update as you type, with no page reloads and no waiting.

Nothing is stored

Your numbers never leave your device. No accounts, no tracking of what you calculate.

Six currencies

Switch between USD, INR, GBP, EUR, CAD and AUD — your choice is remembered.

Every calculator you need,in one fast place.