All-in-one unit converter

41 units in 8 categories, one calculator. Uses the exact defined values from NIST and the BIPM.

From

To0.3937

1 cm = 0.3937 in · Full cm → in chart & formula

Most-searched conversions

Pounds to Kilograms

1 lb = 0.4536 kg

Centimeters to Inches

1 cm = 0.3937 in

Inches to Centimeters

1 in = 2.54 cm

Kilograms to Pounds

1 kg = 2.2046 lb

Miles per Hour to Kilometers per Hour

1 mph = 1.6093 km/h

Meters to Feet

1 m = 3.2808 ft

Feet to Meters

1 ft = 0.3048 m

Millimeters to Inches

1 mm = 0.03937 in

Kilometers per Hour to Miles per Hour

1 km/h = 0.6214 mph

Feet to Centimeters

1 ft = 30.48 cm

Fahrenheit to Celsius

1 °F = -17.2222 °C

Centimeters to Feet

1 cm = 0.03281 ft

Weight converter →

kg → lb lb → kg g → oz oz → g kg → stone stone → kg ton → lb lb → ton g → kg kg → g lb → oz oz → lb stone → lb lb → stone ton → kg kg → ton g → lb lb → g

Temperature converter →

c → f f → c c → k k → c f → k k → f

Volume converter →

l → gal gal → l ml → floz floz → ml l → qt qt → l cup → ml ml → cup gal → qt qt → gal ml → l l → ml cup → floz floz → cup gal → cup cup → gal

Speed converter →

kmh → mph mph → kmh mph → ms ms → mph knot → kmh kmh → knot kmh → ms ms → kmh mph → knot knot → mph

Area converter →

sqm → sqft sqft → sqm acre → hectare hectare → acre sqkm → sqm sqm → sqkm acre → sqft sqft → acre hectare → sqm sqm → hectare sqkm → hectare hectare → sqkm

Data converter →

mb → gb gb → mb gb → tb tb → gb kb → mb mb → kb kb → gb gb → kb mb → tb tb → mb

Time converter →

hr → min min → hr day → hr hr → day week → day day → week min → sec sec → min day → min min → day week → hr hr → week