Free Online Calculators

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

Calculate potential profits or losses from cryptocurrency investments.

Calculate monthly mortgage payments, interest, and amortization schedule.

Calculate the return on investment (ROI) for your investments.

Plan for retirement by calculating how much you need to save.

Estimate your income tax based on your earnings and deductions.

Calculate how quickly you can pay off your loans with different payment strategies.

Calculate the effect of inflation on the purchasing power of money over time.

Calculate sale prices, discounts, and savings on purchases.

Convert between different currencies using up-to-date exchange rates.

Calculate your Body Mass Index (BMI) to assess your weight relative to height.

Calculate your daily calorie needs based on your activity level and goals.

Convert between different units of measurement including length, weight, temperature, and more.

Calculate percentages, percentage increase/decrease, and solve percentage problems.

Calculate the difference between dates or add/subtract days from a date.

Calculate fuel efficiency and costs for your vehicle.

Convert times between different time zones around the world.

Calculate exact age in years, months, and days between two dates.

Measure your environmental impact and get tips to reduce your carbon emissions.