kilometres per hour

(redirected from Km/hr)
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Noun1.kilometres per hour - the ratio of the distance traveled (in kilometers) to the time spent traveling (in hours)kilometres per hour - the ratio of the distance traveled (in kilometers) to the time spent traveling (in hours)
rate - a magnitude or frequency relative to a time unit; "they traveled at a rate of 55 miles per hour"; "the rate of change was faster than expected"