Unit Converter
Convert length, weight, temperature, area, volume, speed, and data units — instantly, free, no signup.
Unit Converter — All Categories
This free unit converter covers the most common measurement conversions in one place: length (metres, kilometres, miles, feet, inches, centimetres), weight (kilograms, pounds, grams, ounces, tonnes), temperature (Celsius, Fahrenheit, Kelvin), area (square metres, acres, hectares, square feet), volume (litres, millilitres, gallons, cups), speed (km/h, mph, m/s, knots), digital data (bytes, kilobytes, megabytes, gigabytes), and time (seconds, minutes, hours, days).
Most Common Conversions
cm to inches: multiply by 0.3937 (1 cm = 0.3937 in). kg to lbs: multiply by 2.2046 (1 kg = 2.2046 lbs). km to miles: multiply by 0.6214 (1 km = 0.6214 miles). Celsius to Fahrenheit: (°C × 9/5) + 32. litres to gallons: multiply by 0.2642 (US gallons). metres to feet: multiply by 3.2808.