Kilometer per hour is a practical speed unit widely used in road transport.
It became standard with the spread of road transport and metric traffic systems.
Measurement system: Metric practical use. SI equivalent: 1 km/h ≈ 0.277778 m/s.
Kilometer per Hour facts
- Unit name
- Kilometer per Hour
- Symbol
- km/h
- Category
- Speed
- Measurement system
- Metric practical use
- SI equivalent
- 1 km/h ≈ 0.277778 m/s
- Common uses
- Vehicle speeds, road signs and field measurements
Definition of the kilometer per hour
Kilometer per hour is a practical speed unit widely used in road transport.
Measurement system and SI relationship
Metric practical use
SI equivalent: 1 km/h ≈ 0.277778 m/s
History of the kilometer per hour
It became standard with the spread of road transport and metric traffic systems.
Where is the kilometer per hour used?
Vehicle speeds, road signs and field measurements