Convert between kilometres per hour, miles per hour, metres per second, knots, and more. Perfect for driving, aviation, sports, and science calculations!
Our Speed Converter converts all values through metres per second (m/s) as the base unit:
Conversion factors to m/s:
To convert: input value → convert to m/s → convert to target unit. For example, converting 100 km/h to mph: 100 ÷ 3.6 = 27.78 m/s → 27.78 ÷ 0.44704 = 62.14 mph.