Convert Miles per hour to Meters per second
One mile per hour equals 0.44704 meters per second. Type any value to convert miles per hour to meters per second instantly — with a full reference table below.
Convert Miles per hour to Meters per second
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How to convert Miles per hour to Meters per second
To convert miles per hour to meters per second, multiply by 0.44704. One mile per hour equals 0.44704 m/s, and one meter per second equals 2.236936 mph.
- Take the value in miles per hour — for example 7.5 mph.
- Multiply by 0.44704 (the number of meters per second in one mile per hour).
- 7.5 × 0.44704 = 3.3528 m/s.
Quick mental estimate: Divide the number of miles per hour by 2.24 (within 0.1% of the exact answer).
Miles per hour to Meters per second conversion table
| Miles per hour | Meters per second |
|---|---|
| 1 mph | 0.44704 m/s |
| 5 mph | 2.2352 m/s |
| 10 mph | 4.4704 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 |
| 70 mph | 31.2928 m/s |
| 80 mph | 35.7632 m/s |
| 100 mph | 44.704 m/s |
| 120 mph | 53.6448 m/s |
| Meters per second | Miles per hour |
|---|---|
| 1 m/s | 2.236936 mph |
| 5 m/s | 11.18468 mph |
| 10 m/s | 22.36936 mph |
| 20 m/s | 44.73873 mph |
| 25 m/s | 55.92341 mph |
| 30 m/s | 67.10809 mph |
| 40 m/s | 89.47745 mph |
| 50 m/s | 111.8468 mph |
| 60 m/s | 134.2162 mph |
| 70 m/s | 156.5855 mph |
| 80 m/s | 178.9549 mph |
| 100 m/s | 223.6936 mph |
| 120 m/s | 268.4324 mph |
About converting Miles per hour to Meters per second
Miles per hour (mph) and Meters per second (m/s) are both units of speed. The exact factor is 1 mph = 0.44704 m/s, so multiply by 0.44704 to go from miles per hour to meters per second (or divide to go back).
The conversion runs entirely in your browser. Need the reverse? Use the Meters per second to Miles per hour converter, or the full unit converter for every unit at once.
Real-world speed in miles per hour and meters per second
| Example | Miles per hour | Meters per second |
|---|---|---|
| A walking pace | ≈ 3.131711 mph | ≈ 1.4 m/s |
| Usain Bolt's top speed (2009) | ≈ 27.78275 mph | ≈ 12.42 m/s |
| The UK motorway limit (70 mph) | 70 mph | 31.2928 m/s |
| The German Autobahn advisory speed (130 km/h) | 80.77823 mph | 36.1111 m/s |
| The speed of sound (air, 20 °C) | ≈ 767.2691 mph | ≈ 343 m/s |
| An airliner at cruise | ≈ 559.2341 mph | ≈ 250 m/s |
“≈” marks typical values; the rest are defined or measured figures.
The units
Miles per hour — exactly 0.44704 m/s.
Used for: Road speeds in the US and UK.
The SI unit of speed: one metre per second.
Used for: Science, wind speed and sport.
km/h, mph, ft/s and knots are all defined exactly in metres per second (a knot is one nautical mile, exactly 1,852 m, per hour).