The Speed Converter changes values between kilometers per hour, miles per hour, meters per second, knots, and feet per second. Convert any speed for driving, sports, weather, and science.
How to convert speed
- Enter the speed value.
- Choose the unit you have.
- Choose the unit you want.
- See the converted speed.
Why convert speed units
Cars, planes, and boats use different speed units around the world. A limit in miles per hour may need to be in kilometers per hour, or wind speed in knots. This tool gives the matching value at once.
Where it helps
Use it for road trips abroad, running and cycling pace, weather updates, and physics problems. Covering both common and technical units, it answers everyday and specialist speed questions alike.