km/h

What is a Kilometer per Hour?

Speed Unit

Definition

Kilometers per hour (km/h) is a unit of speed representing the number of kilometers traveled in one hour.

Popular Kilometer per Hour Conversions

Most common conversions from Kilometers per Hour

1 km/h = 0.277778 m/s Kilometer per Hour to Meters per Second 1 km/h = 0.621372 mph Kilometer per Hour to Miles per Hour 1 km/h = 0.539958 kn Kilometer per Hour to Knots 1 km/h = 0.911345 ft/s Kilometer per Hour to Feet per Second 1 km/h = 0.0008162979 Ma Kilometer per Hour to Mach

History

Kilometers per hour became the standard speed unit in most countries following metrication in the 20th century.

Common Uses

Road speed limits worldwide
Weather reports (wind speed)
Vehicle specifications
Sports timing

Fun Facts

💡

A human walks at about 5 km/h

💡

The fastest land animal (cheetah) reaches 120 km/h

💡

The International Space Station orbits at 27,600 km/h

All Kilometer per Hour Conversions

Kilometers per Hour to Meters per Second km/h → m/s Kilometers per Hour to Miles per Hour km/h → mph Kilometers per Hour to Knots km/h → kn Kilometers per Hour to Feet per Second km/h → ft/s Kilometers per Hour to Mach km/h → Ma