Speed Conversions

Use this easy and mobile-friendly calculator to convert between various units of Speed.
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1 Mile per Hour =
1.609344 Kilometers per Hour
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Miles per Hour
A mile per hour is a unit of speed commonly used in the United States. It is equal to exactly 1.609344 kilometers per hour.
Common abbreviations: mph, mi/h
Kilometers per Hour
A kilometer per hour is a unit of speed. Something traveling at one kilometer per hour is traveling about 0.278 meters per second, or about 0.621 miles per hour.
Common abbreviations: km/h, kmph, km/hr, km/hour

Browse Speed Conversions

Convert from Centimeters per Second
Convert from Feet per Second
Convert from Kilometers per Hour
Convert from Knots
Convert from Meters per Second
Convert from Miles per Hour
Convert from Mach

Speed Conversion Tables

some results are rounded
1 Centimeter per Second
0.032808 feet per second
0.036 kilometers per hour
0.019438 knots
0.01 meters per second
0.022369 miles per hour
0.000030184 mach
1 Foot per Second
30.48 centimeters per second
1.0973 kilometers per hour
0.59248 knots
0.3048 meters per second
0.68182 miles per hour
0.00092001 mach
1 Kilometer per Hour
27.778 centimeters per second
0.91134 feet per second
0.53996 knots
0.27778 meters per second
0.62137 miles per hour
0.00083845 mach
1 Knot
51.444 centimeters per second
1.6878 feet per second
1.852 kilometers per hour
0.51444 meters per second
1.1508 miles per hour
0.0015528 mach
Mach 1
33,130 centimeters per second
1,086.9 feet per second
1,192.7 kilometers per hour
644.00 knots
331.3 meters per second
741.10 miles per hour
1 Meter per Second
100 centimeters per second
3.2808 feet per second
3.6 kilometers per hour
1.9438 knots
2.2369 miles per hour
0.0030184 mach
1 Mile per Hour
44.704 centimeters per second
1.4667 feet per second
1.6093 kilometers per hour
0.86898 knots
0.44704 meters per second
0.0013494 mach
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