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Speed converter

mile per hour to meter per second

Convert mile per hour (mph) to meter per second (m/s). Use an editable speed converter, conversion formula, and reference table.

0.44704

1 mph = 0.44704 m/s

Calculated in your browser

Conversion formula

m/s = mph × 0.44704

One mile per hour equals 0.44704 meter per second. Multiply your value in mile per hour by this factor to get meter per second. For the reverse conversion, divide by the same factor.

Worked example

To convert 5 mile per hour:
5 × 0.44704 = 2.2352 m/s

Conversion table

mile per hour (mph)meter per second (m/s)
0.010.0044704
0.10.044704
10.44704
20.89408
52.2352
104.4704
2511.176
5022.352
10044.704
1000447.04

About these measurements

Speed is distance traveled per unit of time.

The base reference used here is the meter per second. One mile per hour is 0.44704 base units; one meter per second is 1 base units.

Important distinctions

Mach is excluded because the speed of sound depends on medium and temperature.

Precision

The converter uses stored conversion factors and floating-point arithmetic. Results display up to ten significant digits, switching to scientific notation for very small or large values. Keep the precision of your original measurement when reporting results.

Common questions

How do I convert mph to m/s?

Multiply the quantity in mph by 0.44704. You can also type the value into the converter above.

Can I reverse the conversion?

Yes. Use the swap button or open the meter per second to mile per hour converter.

Reference

NIST Guide to the SI — conversion factors and prefix conventions. SI prefixes scale units by powers of ten; the dimension-specific notes above describe the assumptions used on this page.

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