Unit conversions

A direct page for each of the 38 conversions people look up most, each with the exact formula and a reference table. For anything else, the full unit converter handles every unit at once.

Length

Centimeters to Inchescm → in Inches to Centimetersin → cm Millimeters to Inchesmm → in Inches to Millimetersin → mm Feet to Metersft → m Meters to Feetm → ft Kilometers to Mileskm → mi Miles to Kilometersmi → km Centimeters to Feetcm → ft Feet to Centimetersft → cm Yards to Metersyd → m Meters to Yardsm → yd

Weight

Kilograms to Poundskg → lb Pounds to Kilogramslb → kg Grams to Ouncesg → oz Ounces to Gramsoz → g Stone to Poundsst → lb Kilograms to Stonekg → st

Temperature

Celsius to Fahrenheit°C → °F Fahrenheit to Celsius°F → °C Celsius to Kelvin°C → K Kelvin to CelsiusK → °C

Volume

Liters to US gallonsL → gal US gallons to Litersgal → L Milliliters to US fluid ouncesml → fl oz US fluid ounces to Millilitersfl oz → ml US cups to Milliliterscup → ml Milliliters to US cupsml → cup

Area

Square feet to Square metersft² → m² Square meters to Square feetm² → ft² Acres to Square feetac → ft² Hectares to Acresha → ac

Speed

Miles per hour to Kilometers per hourmph → km/h Kilometers per hour to Miles per hourkm/h → mph Knots to Miles per hourkn → mph

Data

Gigabytes to MegabytesGB → MB Megabytes to GigabytesMB → GB Gibibytes to GigabytesGiB → GB