Miles Per Hour to Meters Per Second

1 mile per hour = 0.44704 meters per second. To convert miles per hour (mph) to meters per second (m/s), multiply by 0.44704.

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How to convert miles per hour to meters per second

m/s = mph × 0.44704

Example: convert 8 miles per hour to meters per second.
8 mph × 0.44704 = 3.57632 m/s

The same relationship in reverse: 1 meter per second = 2.236936292 miles per hour, so you can also divide by 2.236936292. Need the other direction? Use the meters per second to miles per hour converter.

You will typically need this conversion for weather data and sports science.

Miles Per Hour to Meters Per Second conversion chart

Miles Per Hour (mph)Meters Per Second (m/s)
1 mph0.44704 m/s
2 mph0.89408 m/s
3 mph1.34112 m/s
4 mph1.78816 m/s
5 mph2.2352 m/s
6 mph2.68224 m/s
7 mph3.12928 m/s
8 mph3.57632 m/s
9 mph4.02336 m/s
10 mph4.4704 m/s
15 mph6.7056 m/s
20 mph8.9408 m/s
25 mph11.176 m/s
30 mph13.4112 m/s
40 mph17.8816 m/s
50 mph22.352 m/s
75 mph33.528 m/s
100 mph44.704 m/s
250 mph111.76 m/s
500 mph223.52 m/s
1,000 mph447.04 m/s

Values rounded to 8 significant figures. The converter above shows up to 12.

About the units

Mile Per Hour (mph)

Exactly 0.44704 m/s. Used for road speeds in the US and UK and for baseball pitch speeds.

Meter Per Second (m/s)

The SI unit of speed. Used in physics and for wind speed in many weather services.

Frequently asked questions

How many meters per second are in a mile per hour?

1 mile per hour = 0.44704 meters per second. Going the other way, 1 meter per second = 2.236936292 miles per hour.

How do I convert miles per hour to meters per second?

To convert miles per hour to meters per second, multiply by 0.44704. The formula is m/s = mph × 0.44704.

What is 8 mph in m/s?

8 miles per hour is 3.57632 meters per second (8 mph × 0.44704 = 3.57632 m/s).

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