Free online calculators
Fast, free calculators for finance, health and everyday maths. Every calculator runs instantly in your browser — no sign-up needed.
- ✓ No sign-up
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737 calculators · 30 languages
Popular calculators
- Loan Calculator — Monthly Payment & Total Interest Free loan and mortgage calculator. Enter amount, interest rate and term to see your monthly payment, total payment and total interest.
- Mortgage Calculator Estimate the full monthly cost of a mortgage including principal, interest, property tax and homeowners insurance.
- BMI Calculator — Body Mass Index Free BMI calculator. Enter your weight and height to get your Body Mass Index and health category instantly.
- Percentage Calculator — What Percent of a Number? Find what percent one number is of another. Enter the part and the whole to get the percentage instantly.
- Age Calculator — Exact Age from Date of Birth Calculate your exact age in years from your date of birth, plus how many days remain until your next birthday.
- Compound Interest Calculator Calculate compound interest on any principal. Choose annual, quarterly, monthly or daily compounding to project your final balance and interest earned.
- Tip Calculator — Split the Bill Work out the tip and split the bill between any number of people. Choose a tip percentage and see the total and each person's share.
- Salary to Hourly Calculator Convert an annual salary to an hourly rate. Also see your daily, weekly and monthly pay before tax based on hours worked per week.