Speed Converter
Type a speed into either box to convert it.
100 km/h = 62.1371192237 mph
Choosing a unit
- km/h and mph for road traffic.
- m/s for science and often for wind speed.
- knots at sea and in aviation.
- ft/s in some US engineering and ballistics contexts.
Units in meters per second
| Unit | In meters per second |
|---|---|
| 1 kilometer per hour (km/h) | 0.2777777778 m/s |
| 1 mile per hour (mph) | 0.44704 m/s |
| 1 knot (kn) | 0.5144444444 m/s |
| 1 foot per second (ft/s) | 0.3048 m/s |
Popular speed conversions
- km/h to mphConvert kilometers per hour to miles per hour with the formula and a quick table.
- mph to km/hConvert miles per hour to kilometers per hour with the formula and a quick table.
- m/s to km/hConvert meters per second to kilometers per hour with the formula and a quick table.
- km/h to m/sConvert kilometers per hour to meters per second with the formula and a quick table.
- Knots to km/hConvert knots to kilometers per hour with the formula and a quick table.