Speed converter
km/h, mph, metres per second, knots and feet per second. Type in either box and the other updates.
1 km/h = 0.6214 mph
The same value in every unit
| Unit | Value |
|---|---|
| Metres per second (m/s) | 0.2778 |
| Kilometres per hour (km/h) | 1 |
| Miles per hour (mph) | 0.6214 |
| Knots (kn) | 0.54 |
| Feet per second (ft/s) | 0.9113 |
Speed conversions
How it’s calculated
Speeds are converted through metres per second. 1 km/h is 1/3.6 m/s, 1 mph is exactly 0.44704 m/s, and a knot is one nautical mile per hour, about 0.5144 m/s.