Converters
Convert between metric and imperial units with exact conversion factors. Each converter also shows a full table so you can compare every unit at once.
Units
Length ConverterConvert between millimeters, centimeters, meters, kilometers, inches, feet, yards, miles and nautical miles, using exact international conversion factors.Weight ConverterConvert between grams, kilograms, pounds, ounces, stones and tons. Uses the exact definition of the pound (0.45359237 kg) and shows every unit at once.Temperature ConverterConvert between Celsius, Fahrenheit and Kelvin instantly, with the formulas shown and a quick reference of everyday temperatures.Volume ConverterConvert liters, milliliters, US cups, tablespoons, teaspoons, fluid ounces, pints, quarts and gallons — handy for recipes and for comparing US and metric containers.Area ConverterConvert between square feet, square meters, acres, hectares, square miles and more — for floor plans, land and property listings.Speed ConverterConvert between km/h, mph, meters per second, feet per second and knots — for driving abroad, running paces, weather reports and sailing.Data Storage ConverterConvert bits, bytes, KB, MB, GB and TB — and the binary KiB, MiB, GiB and TiB that operating systems often use — to see why a “1 TB” drive shows less space.