›› Measurement unit: kilometre/hour

Full name: kilometre/hour

Plural form: kilometers/hour

Symbol: km/h

Alternate spelling: km/hr

Category type: speed

Scale factor: 0.27777777777778


›› SI unit: meter/second

The SI derived unit for speed is the meter/second.
1 meter/second is equal to 3.6 kilometre/hour.


›› Convert kilometre/hour to another unit

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›› Definition: Kilometer/hour

The kilometre per hour (American English: kilometer per hour) is a unit of both speed (scalar) and velocity (vector).

The km/h is the worldwide most commonly used speed unit on road signs and car speedometers.


›› Sample conversions: kilometre/hour

kilometre/hour to metre/minute
kilometre/hour to speed of sound [air]
kilometre/hour to yard/second
kilometre/hour to inch/minute
kilometre/hour to yard/minute
kilometre/hour to millimetre/microsecond
kilometre/hour to yard/hour
kilometre/hour to nautical mile/day
kilometre/hour to hectometre/hour
kilometre/hour to megametre/second