Miles per hour to meters per second
1 mile per hour = 0.44704 meters per second
Type a value in miles per hour (mph) to get meters per second (m/s) straight away. A mile per hour is smaller than a meter per second, so the number goes down. Both units belong to speed, measured here against the meter per second.
1 mph = 0.44704 m/s
Formula
m/s = mph × 0.44704
One mile per hour is 0.44704 meters per second, so multiply by that factor. You can also divide by 2.23694, the number of miles per hour in one meter per second. Here mph is the value in miles per hour and m/s is the result in meters per second.
Worked example: 60 miles per hour × 0.44704 = 26.8224 meters per second.
Miles per hour to meters per second table
| miles per hour (mph) | meters per second (m/s) |
|---|---|
| 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 |
| 6 mph | 2.68224 m/s |
| 7 mph | 3.12928 m/s |
| 8 mph | 3.57632 m/s |
| 9 mph | 4.02336 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 |
| 30 mph | 13.4112 m/s |
| 40 mph | 17.8816 m/s |
| 50 mph | 22.352 m/s |
| 60 mph | 26.8224 m/s |
| 75 mph | 33.528 m/s |
| 100 mph | 44.704 m/s |
Everyday miles per hour in meters per second
| What it is | mph | m/s |
|---|---|---|
| walking pace | 3 mph | 1.34112 m/s |
| a 20 mph zone | 20 mph | 8.9408 m/s |
| a UK town limit | 30 mph | 13.4112 m/s |
| a UK single-carriageway limit | 60 mph | 26.8224 m/s |
| a UK motorway limit | 70 mph | 31.2928 m/s |
Quick estimate in your head
Multiply by about 0.45. For 60 mph that gives 27 m/s against an exact 26.8224 m/s, an error of 0.7%.
About the units
Mile per hour (mph). Exactly 0.44704 m/s. Used for road speeds in the US and UK.
Meter per second (m/s). The SI unit of speed. Used in physics and for wind speed in forecasts.
Going the other way, 1 meter per second is 2.23694 miles per hour.
Questions
How many meters per second are in 1 mile per hour?
1 mile per hour is 0.44704 meters per second, and 1 meter per second is 2.23694 miles per hour.
How do I convert miles per hour to meters per second?
Use m/s = mph × 0.44704. For example, 60 miles per hour × 0.44704 = 26.8224 meters per second.
Is the mile per hour to meter per second factor exact?
Yes, the definitions are exact, so the factor is exact. Results here are rounded to 6 significant digits for display.
How much is a UK motorway limit in meters per second?
70 mph is 31.2928 m/s.
Source for the conversion factor: NIST SP 811, Appendix B (conversion factors).
Related conversions
- meters per second to miles per hour
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