Calculators

Calculate percentages: X% of Y, increase, decrease and percentage difference.

Calculate VAT: add or remove VAT with configurable rates (4%, 10%, 22%).

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

Calculate the difference between two dates in days, weeks, months and years.

Calculate monthly mortgage payment with complete amortization schedule.

Calculate Return on Investment (ROI) and annualized ROI.

Convert units of measurement: length, weight, area, volume, speed, data, time.

Convert temperatures between Celsius, Fahrenheit and Kelvin instantly.

Calculate your Body Mass Index (BMI) online for free.

Calculate discount and final price online for free.

Calculate simple and compound interest online for free.

Calculate monthly payment and total interest for a loan online.

Convert between meters, feet, inches, km, miles and other length units.

Convert between kg, pounds, ounces, grams, tonnes and other weight units.

Convert between km/h, mph, m/s, knots, Mach and other speed units.

Convert between 25+ world currencies with updated exchange rates.