Speed Converter

Use the speed converter to easily convert several different units of speed.

Speed Converter

Conversion Table: Speed Converter

The conversion table shows how much one kilometres per second (km/s) is in different units.


Value Unit
1Kilometres per hour (km/h)
0.277777777778Metres per second (m/s)
0.000277777778Kilometres per second (km/s)

British and American

Value Unit
0.911344415281Feet per second
0.62137273665Miles per hour (mph)

Nautical and aviation

Value Unit


Value Unit
0.00080971659919Mach (speed of sound through air)
9.26566931106E-10Speed of light (c)