Miles per Hour to Meters per Second (mph to m/s)
1 mile per hour equals 0.44704 meters per second — multiply the number of miles per hour by 0.44704 to convert to m/s. A mile is 1,609.344 meters and an hour is 3,600 seconds, so 1,609.344 ÷ 3,600 = 0.44704. The factor is exact.
The formula
To convert miles per hour to meters per second, multiply by the exact factor:
m/s = mph × 0.44704
For example, 60 mph × 0.44704 = 26.82 m/s. To reverse it, multiply m/s by 2.236936 to get mph.
Conversion table
| Miles per hour (mph) | Meters per second (m/s) |
|---|---|
| 1 | 0.44704 |
| 5 | 2.2352 |
| 10 | 4.4704 |
| 20 | 8.9408 |
| 30 | 13.4112 |
| 40 | 17.8816 |
| 50 | 22.352 |
| 60 | 26.8224 |
| 70 | 31.2928 |
| 100 | 44.704 |
How to convert online
- Type the number of miles per hour into the first box.
- Read the m/s value instantly in the second box.
- Or enter an m/s value to convert back to mph — it works both ways.
Use the Mile per Hour to Meter per Second Converter — free and instant in your browser.
Where this conversion is used
Meters per second is the SI unit of speed, so converting from mph is standard in physics and engineering coursework, motion and kinematics problems, sports science, and any lab or simulation that needs everyday mph speeds expressed in SI units.
Worked example
Suppose a physics problem gives a car speed of 55 mph and asks for the value in SI units. Apply the formula: 55 × 0.44704 = 24.59 m/s, ready to drop into a kinetic-energy or momentum equation. A 25 mph campus speed limit is 25 × 0.44704 = 11.18 m/s. Reversing it, a wind-tunnel reading of 40 m/s is 40 × 2.236936 = 89.48 mph. Because a mile is exactly 1,609.344 m and an hour is 3,600 s, the 0.44704 factor is exact, so your SI figures carry no conversion error into the rest of the calculation.
FAQ
How many meters per second are in a mph?
One mile per hour equals 0.44704 meters per second. Multiply mph by 0.44704 — for example, 10 mph = 4.4704 m/s.
What is 60 mph in m/s?
60 mph = 26.8224 m/s, roughly 26.8 m/s.
How do I convert m/s back to mph?
Multiply m/s by 2.236936 (or divide by 0.44704). So 10 m/s = 22.37 mph.
Related converters
- Meter per Second to Mile per Hour Converter
- Mile per Hour to Kilometer per Hour Converter
- Mile per Hour to Knot Converter
- Mile per Hour to Foot per Second Converter
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Recommended reading
Meters per Second to Miles per Hour (m/s to mph)
1 m/s = 2.236936 mph. Multiply meters per second by 2.236936 to convert, with a formula, a conversion table and worked examples.
Meters per Second to Knots (m/s to kn) Converter
1 m/s = 1.943844 knots. Multiply meters per second by 1.943844 to convert, with a formula, a conversion table and worked examples.
Meters per Second to Kilometers per Hour (m/s to km/h)
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