Kilometer per hour (km/h)
A unit of speed. Road speed limits in most of the world.
- Symbol
- km/h
- System
- metric
- Category
- Speed
- Exact?
- Yes
Also written as: km/h, kmh, kmph, kph, kilometer per hour, kilometre per hour
Common conversions from km/h
1 km/h = 0.277778 m/s
Kilometer per hour → Meter per second
1 km/h = 0.621371 mph
Kilometer per hour → Mile per hour
1 km/h = 0.911344 ft/s
Kilometer per hour → Foot per second
1 km/h = 0.539957 kn
Kilometer per hour → Knot
1 km/h = 0.00080985 Ma
Kilometer per hour → Mach (at sea level)
1 km/h = 0 c
Kilometer per hour → Speed of light
1 km/h = 27.7778 cm/s
Kilometer per hour → Centimeter per second