To convert mph to meters per second, multiply by 0.44704.
The calculation uses 1 mph = 0.44704 m/s. Results are displayed to at most 10 significant digits. Definitions can be exact while a displayed decimal is rounded. Match the displayed precision to your original measurement.
The formula
value in m/s = value in mph × 0.44704
mph- Input unit: mph
m/s- Output unit: meters per second
How to use this calculator
- Enter a value in mph.
- Multiply by the stored conversion factor.
- Read the result in m/s; divide by the same factor to convert back.
Worked examples
Worked conversion
1 mph × 0.44704 ≈ 0.44704 m/s.
Reverse conversion
0.44704 m/s ÷ 0.44704 ≈ 1 mph. Rounding intermediate values can change the last displayed digit.
Frequently asked questions
What factor does this converter use?
It uses 0.44704 m/s per mph.
Why can another converter show a slightly different answer?
Check the unit convention first (such as US versus Imperial or decimal versus binary), then compare rounding. Measurement uncertainty is separate from the unit conversion.
mph to m/s table
| mph | m/s (rounded) |
|---|---|
| 0 | 0 |
| 1 | 0.44704 |
| 2 | 0.89408 |
| 5 | 2.2352 |
| 10 | 4.4704 |
| 100 | 44.704 |
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