Convert speed units instantly: km/h to mph, meters per second, knots and more.
Convert speed units in real time — kilometers per hour to miles per hour for driving, meters per second for science, knots for sailing and aviation. Instant results as you type.
Multiply by the conversion factor. Example: 100 km/h × 0.621371 = 62.1371 mph.
| From | Equals |
|---|---|
| 1 kilometer/hour | 0.621371 mile/hour |
| 1 mile/hour | 1.60934 kilometer/hour |
| 1 meter/second | 3.6 kilometer/hour |
| 1 knot | 1.852 kilometer/hour |
| 1 mile/hour | 0.44704 meter/second |
| 1 kilometer/hour | 0.539957 knot |