1 mile per hour = 0.44704 metres per second
Physics problems set in imperial units almost always need this step first. One mph is 0.44704 m/s exactly.
Formula m/s = mph × 0.44704
Type in either field — the other updates on every keystroke. Need other units? Open the full speed converter.
| Mile per hour | Metre per second |
|---|---|
| 1 mph | 0.44704 m/s |
| 2 mph | 0.89408 m/s |
| 3 mph | 1.34112 m/s |
| 4 mph | 1.78816 m/s |
| 5 mph | 2.2352 m/s |
| 10 mph | 4.4704 m/s |
| 15 mph | 6.7056 m/s |
| 20 mph | 8.9408 m/s |
| 25 mph | 11.176 m/s |
| 50 mph | 22.352 m/s |
| 100 mph | 44.704 m/s |
| 500 mph | 223.52 m/s |
| 1000 mph | 447.04 m/s |
| Metre per second | Mile per hour |
|---|---|
| 1 m/s | 2.236936 mph |
| 2 m/s | 4.473873 mph |
| 3 m/s | 6.710809 mph |
| 4 m/s | 8.947745 mph |
| 5 m/s | 11.184681 mph |
| 10 m/s | 22.369363 mph |
| 15 m/s | 33.554044 mph |
| 20 m/s | 44.738726 mph |
| 25 m/s | 55.923407 mph |
| 50 m/s | 111.846815 mph |
| 100 m/s | 223.693629 mph |
| 500 m/s | 1118.468146 mph |
| 1000 m/s | 2236.936292 mph |
| Situation | From | To |
|---|---|---|
| Walking pace | 3 mph | 1.341 m/s |
| Cycling | 10 mph | 4.47 m/s |
| City limit | 30 mph | 13.41 m/s |
| Highway limit | 60 mph | 26.82 m/s |
| Fast highway | 70 mph | 31.29 m/s |
| Fast car | 100 mph | 44.7 m/s |
Multiply by 0.45, which is half minus a tenth. 60 mph is about 27 m/s, against an exact 26.82.
Physics and engineering calculations use metres per second. At 30 mph a car travels 13.4 metres every second.
Multiplying by 1.609 gives km/h, not m/s. Divide that by 3.6 if you go via kilometres.
One mph is exactly 0.44704 m/s, which is 1,609.344 metres divided by 3,600 seconds.
Multiply by 0.447. A speed of 60 mph is 26.82 m/s.
Related guides: Imperial vs metric: differences and quick conversion tricks