Speed converter

km/h, mph, m/s and knots.

1 kilometer per hour =

0.621371mph

Speed conversions

km/h → mph mph → km/h mph → kn kn → mph km/h → kn kn → km/h Mach → km/h Mach → mph c → km/h

Supported units

Kilometer per hourkm/h
Mile per hourmph
Meter per secondm/s
Knotkn
MachMach
Speed of lightc