Are these calculators accurate?

Yes, all our calculators use precise mathematical formulas and are regularly tested for accuracy.

Do I need to sign up?

No, all calculators are completely free and require no registration.

Yes, all tools are fully responsive and work perfectly on mobile devices.

No, all calculations happen locally in your browser. Nothing is sent to our servers.

Top 10 Picks

Our top-rated calculators for everyday math, finance, and health calculations. The most popular and accurate online calculators.

Calculate your exact age in years, months, days, hours, and minutes.

Calculate your Body Mass Index (BMI) and understand your health status.

Calculate your daily calorie requirements for weight loss, maintenance, or gain.

Calculate the exact time difference between any two dates.

Calculate discounts, final prices, and savings instantly.

Calculate your monthly loan payments, total interest, and amortization schedule.

Calculate monthly mortgage payments and view amortization schedule.

Calculate percentages easily with multiple calculation modes.

Calculate how your savings will grow with compound interest over time.