Speed Converter
Convert between meters per second, kilometers per hour, miles per hour and feet per second.
1 km/h = 0.6213711922 mph
What is Speed Converter?
Speed tells you how far something travels in a given time. Road signs, sports and science each use different units, such as km/h, mph and m/s.
What this tool does
Converts a speed between km/h, mph, m/s and ft/s as you type.
How to use it
- Enter a speed value.
- Choose the unit you are converting from and to.
- Read the converted speed.
Did you know?
- To convert metres per second to kilometres per hour, multiply by 3.6.
- One mile per hour is about 1.609 kilometres per hour.
- Usain Bolt's 100 metre world record of 9.58 seconds is an average speed of about 37.6 km/h.