Kilometer per Hour
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Common metric speed unit
About Kilometer per Hour (km/h)
Used for vehicle speedometers and speed limits in most countries outside the US and UK, the kilometer per hour is the most widely displayed speed unit on Earth. Highway speed limits typically range from 80 to 130 km/h, and weather services in metric countries report wind speeds in km/h.
- Category
- Speed
- Symbol
- km/h
- Also known as
- kph kmh km/hr kilometres per hour
CONVERT TO
Frequently Asked Questions
What is a Kilometer per Hour (km/h)?
Common metric speed unit
How many Mile per Hour (mph) are in one Kilometer per Hour (km/h)?
One Kilometer per Hour (km/h) equals 0.621371 Mile per Hour (mph).
How many Meter per Second (m/s) are in one Kilometer per Hour (km/h)?
One Kilometer per Hour (km/h) equals 0.277778 Meter per Second (m/s).
How many Knot (kn) are in one Kilometer per Hour (km/h)?
One Kilometer per Hour (km/h) equals 0.539957 Knot (kn).
How do I convert Kilometer per Hour to Mile per Hour?
To convert Kilometer per Hour to Mile per Hour, multiply the value by 0.621371 (1 km/h = 0.621371 mph).