speed/velocity unit
kilometer per hour
"A speed/velocity unit which is equal to the speed of an object traveling 1 kilometer distance in one hour." [NIST:NIST]
kilometre per hour
km/h
kilometer per hour
"A speed/velocity unit which is equal to the speed of an object traveling 1 kilometer distance in one hour." [NIST:NIST]
kilometre per hour
km/h