Kilometer/Hour to Kilometer/Second Conversion

Kilometer/Hour : Kilometres per hour (also spelling: kilometer per hour) is a unit of speed, defined as the number of kilometers travelled in one hour. The symbol of kilometre per hour is km/h or km•h−1. In the global wide, the km/s is the most popularly used speed unit on road signs and car speedmeters.

Kilometer/Second : Kilometres per second (also spelling: kilometer per second) is a unit of speed, defined as the number of kilometres travelled in one second. The symbol of kilometre per hour is km/s or km•s−1. 1 km/s = 1000 m/s.