Speed Converter
Convert speeds between mph, km/h, m/s, knots and more.
Convert speed
Calculated instantly in your browser.
Equation
| Unit | Value |
|---|
How to use it
- Enter a speed and choose the unit it is in.
- Choose the unit you need.
- Swap or copy the result.
Examples
60 mph ≈ 96.56 km/h100 km/h ≈ 27.78 m/s1 knot = 1.852 km/h
One mile per hour is exactly 0.44704 m/s. Mach depends on temperature and altitude; the value used here is the speed of sound at sea level and 15 °C (340.294 m/s).