Speed Converter — km/h to mph, m/s, knots & more
The Speed Converter instantly converts between all common speed units — kilometres per hour, miles per hour, metres per second, knots, and more. Whether you are converting driving speeds, aircraft speeds, or wind speeds, this free tool does the maths in an instant.
Frequently Asked Questions
Multiply km/h by 0.621371 to get mph. Or divide by 1.60934. For example, 100 km/h = 62.14 mph.