Pick any two speed units. The answer updates as you type.
1 mph equals
| meters per second | 0.44704 m/s |
| kilometers per hour | 1.6093 km/h |
| miles per hour | 1 mph |
| knots | 0.868976 kn |
| feet per second | 1.4667 ft/s |
| miles per hour (mph) | kilometers per hour (km/h) |
|---|---|
| 0.1 | 0.160934 |
| 0.25 | 0.402336 |
| 0.5 | 0.804672 |
| 1 | 1.6093 |
| 2 | 3.2187 |
| 3 | 4.828 |
| 4 | 6.4374 |
| 5 | 8.0467 |
| 6 | 9.6561 |
| 7 | 11.2654 |
| 8 | 12.8748 |
| 9 | 14.4841 |
| 10 | 16.0934 |
| 12 | 19.3121 |
| 15 | 24.1402 |
| 20 | 32.1869 |
| 25 | 40.2336 |
| 30 | 48.2803 |
| 40 | 64.3738 |
| 50 | 80.4672 |
| 75 | 120.7008 |
| 100 | 160.9344 |
| 250 | 402.336 |
| 500 | 804.672 |
| 1,000 | 1,609.34 |
meters per second (m/s), kilometers per hour (km/h), miles per hour (mph), knots (kn), feet per second (ft/s).
Conversion factors use the exact legal definitions where they exist (for example, 1 inch is exactly 2.54 cm and 1 pound is exactly 0.45359237 kg). Results are shown to a sensible number of decimal places.