Conversion Tools
Conversion Tools
13 free calculators
Fast, accurate unit converters — live-rate currency conversion plus length, weight, temperature, area, speed, digital storage and time. Convert between metric and imperial units, or use the all-in-one converter that covers seven categories in a single tool.
Area
Convert area between square metres, square feet, square yards, acres, hectares and square kilometres — every unit calculated at once.
Cooking Units
Convert recipe measurements between millilitres, litres, cups, tablespoons, teaspoons, fluid ounces, pints, quarts and gallons — so any recipe works in your kitchen.
Currency
Convert between the Indian Rupee and major world currencies — USD, EUR, GBP, AED, SAR, JPY and more — using live exchange rates, with a reverse-rate reference.
Data Storage
Convert digital storage between bytes, kilobytes, megabytes, gigabytes, terabytes and petabytes, using the binary 1024-based convention used by operating systems.
Energy
Convert between joules, kilojoules, calories, kilocalories (food Calories), watt-hours, kilowatt-hours and BTU — instantly and accurately.
Length
Instantly convert any length or distance between metric and imperial units — metres, kilometres, centimetres, millimetres, miles, yards, feet, inches and nautical miles — with a live table showing every unit at once.
Pressure
Convert between all common pressure units — Pascal, kilopascal, bar, psi, atmosphere and mmHg — instantly and accurately.
Shoe Size
Convert shoe sizes across US, UK and EU systems from your foot length, for men’s and women’s sizing — the reliable way to shop for shoes from anywhere.
Speed
Convert speed between kilometres per hour, miles per hour, metres per second, knots and feet per second — all units at once.
Temperature
Convert temperature between Celsius (°C), Fahrenheit (°F) and Kelvin (K) instantly, with all three shown at once.
Time
Convert any duration between milliseconds, seconds, minutes, hours, days, weeks, months and years, with every unit calculated at once. Month and year use calendar averages.
Unit Converter
One converter for everything: switch between length, weight, temperature, area, speed, digital storage and time, and see your value in every unit at once.
Weight
Convert any weight or mass between metric and imperial units — kilograms, grams, milligrams, tonnes, quintals, pounds, ounces and stones — with every unit shown side by side.