Speed Converter

Convert between various units of speed (e.g., km/h, mph, m/s).

Enter values and units to convert speed.

FAQ

How many kilometers per hour in a mile per hour?
1 mph equals approximately 1.60934 kph. Enter your value to convert between any speed units.
What speed units are supported?
Meters per second, kilometers per hour, miles per hour, knots, and Mach number.