Unit Converters

Instant, exact conversions between 112 unit pairs across length, weight, speed, and temperature. Every page includes a live converter, a conversion table, and the formula.

MMCM1 mm = 0.1 cmMMMeters1 mm = 0.001 mMMKM1 mm = 0.000001 kmMMInches1 mm = 0.03937008 inMMFeet1 mm = 0.00328084 ftMMYards1 mm = 0.001093613 ydMMMiles1 mm = 6.213712e-7 miCMMM1 cm = 10 mmCMMeters1 cm = 0.01 mCMKM1 cm = 0.00001 kmCMInches1 cm = 0.3937008 inCMFeet1 cm = 0.0328084 ftCMYards1 cm = 0.01093613 ydCMMiles1 cm = 0.000006213712 miMetersMM1 m = 1,000 mmMetersCM1 m = 100 cmMetersKM1 m = 0.001 kmMetersInches1 m = 39.37008 inMetersFeet1 m = 3.28084 ftMetersYards1 m = 1.093613 ydMetersMiles1 m = 0.0006213712 miKMMM1 km = 1,000,000 mmKMCM1 km = 100,000 cmKMMeters1 km = 1,000 mKMInches1 km = 39,370.08 inKMFeet1 km = 3,280.84 ftKMYards1 km = 1,093.613 ydKMMiles1 km = 0.6213712 miInchesMM1 in = 25.4 mmInchesCM1 in = 2.54 cmInchesMeters1 in = 0.0254 mInchesKM1 in = 0.0000254 kmInchesFeet1 in = 0.08333333 ftInchesYards1 in = 0.02777778 ydInchesMiles1 in = 0.00001578283 miFeetMM1 ft = 304.8 mmFeetCM1 ft = 30.48 cmFeetMeters1 ft = 0.3048 mFeetKM1 ft = 0.0003048 kmFeetInches1 ft = 12 inFeetYards1 ft = 0.3333333 ydFeetMiles1 ft = 0.0001893939 miYardsMM1 yd = 914.4 mmYardsCM1 yd = 91.44 cmYardsMeters1 yd = 0.9144 mYardsKM1 yd = 0.0009144 kmYardsInches1 yd = 36 inYardsFeet1 yd = 3 ftYardsMiles1 yd = 0.0005681818 miMilesMM1 mi = 1,609,344 mmMilesCM1 mi = 160,934.4 cmMilesMeters1 mi = 1,609.344 mMilesKM1 mi = 1.609344 kmMilesInches1 mi = 63,360 inMilesFeet1 mi = 5,280 ftMilesYards1 mi = 1,760 yd