Unit converters

Length, weight, temperature, area, volume and data size

Convert between millimeters, centimeters, meters, kilometers, inches, feet, yards, miles and nautical miles.

Convert between milligrams, grams, kilograms, tonnes, ounces, pounds and stones.

Convert between Celsius, Fahrenheit and Kelvin with exact formulas and live results.

Convert between square millimeters, square centimeters, square meters, square kilometers, hectares, acres, square feet and square yards.

Convert between milliliters, liters, cubic meters, teaspoons, tablespoons, fluid ounces, cups, pints, quarts and gallons.

Convert between bytes, KB, MB, GB, TB and KiB, MiB, GiB, TiB — clearly separating decimal and binary units.