Topic summary
Kilometres per hour
The kilometre per hour (alternatively spelt kilometer per hour; SI symbol: km/h; abbreviations: kph, kmph, km/hr) is a unit of speed, expressing the number of kilometres travelled in one hour.
Topic summary
The kilometre per hour (alternatively spelt kilometer per hour; SI symbol: km/h; abbreviations: kph, kmph, km/hr) is a unit of speed, expressing the number of kilometres travelled in one hour.