Speed converter

Convert between kilometres per hour, miles per hour, knots, metres per second, and feet per second.

Common speed conversions

What is a knot?

A knot is 1 nautical mile per hour (1.852 km/h). It is used in aviation and maritime navigation worldwide.

How do I convert km/h to m/s?

Divide by 3.6. For example, 100 km/h = 27.78 m/s.