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Measurement unit conversion: kilometre/hour
Full name: kilometre/hour
Plural form: kilometers/hour
Symbol: km/h
Alternate spelling: km/hr
Category type: speed
Scale factor: 0.277777777778
The SI derived unit for speed is the meter/second.
1 meter/second is equal to 3.6 kilometre/hour.
Valid units must be of the speed type.
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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.
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