Kilometer per Hour Conversions

Use this easy and mobile-friendly calculator to convert between Kilometers per Hour and other units of Speed.
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1 Kilometer per Hour ≈
0.62137119 Miles per Hour
result rounded
Decimal places
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
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