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Miles per Hour to Meters per Second (mph to m/s) Converter

1 mile per hour (mph) = 0.44704 meters per second (m/s). To convert miles per hour to meters per second, multiply by 0.44704: 70 mph × 0.44704 = 31.2928 m/s. Also searched as miles per hour to metres per second.

1 mph = 0.44704 m/s
Convert the other way: Meters per Second to Miles per Hour

Quick facts

How to convert miles per hour to meters per second

  1. Take the value in miles per hour.
  2. Multiply it by 0.44704 (the number of meters per second in one mile per hour).
  3. Round the result to the precision you need.
m/s = mph × 0.44704

Worked example (the UK motorway speed limit): 70 mph × 0.44704 = 31.2928 m/s.

To convert meters per second back to miles per hour, multiply by 2.23694, or divide by 0.44704.

Source: NIST SP 811 (2008), derived from the metre, the international mile and the second.

Miles per Hour to Meters per Second conversion table

Miles per Hour to Meters per Second conversion table
Miles per Hour [mph]Meters per Second [m/s]
0.01 mph0.0044704 m/s
0.1 mph0.044704 m/s
1 mph0.44704 m/s
2 mph0.89408 m/s
3 mph1.34112 m/s
5 mph2.2352 m/s
10 mph4.4704 m/s
20 mph8.9408 m/s
50 mph22.352 m/s
100 mph44.704 m/s
1000 mph447.04 m/s

mph to m/s chart from 1 to 100

Meters per Second to Miles per Hour conversion table

Meters per Second to Miles per Hour conversion table
Meters per Second [m/s]Miles per Hour [mph]
0.01 m/s0.0223693629 mph
0.1 m/s0.2236936292 mph
1 m/s2.2369362921 mph
2 m/s4.4738725841 mph
3 m/s6.7108088762 mph
5 m/s11.1846814603 mph
10 m/s22.3693629205 mph
20 m/s44.7387258411 mph
50 m/s111.8468146027 mph
100 m/s223.6936292054 mph
1000 m/s2236.9362920544 mph

Miles per Hour vs Meters per Second

Mile per HourMeter per Second
Symbolmphm/s
Equals1 mph = 0.44704 m/s1 m/s = 2.23694 mph

What is a mile per hour?

Distance in miles covered in one hour. The standard speed unit for driving and wind speed in the US and UK.

What is a meter per second?

The SI derived unit of speed. Used in physics and engineering calculations.

Frequently asked questions

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

There are 0.44704 meters per second in 1 mile per hour (1 mph = 0.44704 m/s).

How many miles per hour are in a meter per second?

There are 2.23694 miles per hour in 1 meter per second (1 m/s = 2.2369362921 mph).

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

Multiply the number of miles per hour by 0.44704. For example, 10 mph × 0.44704 = 4.4704 m/s. To convert back, multiply by 2.23694.

What is 10 mph in meters per second?

10 mph = 4.4704 m/s.

What is 100 mph in meters per second?

100 mph = 44.704 m/s.

Is the conversion exact?

Yes. The factor comes from the official definitions of both units (NIST SP 811 (2008), derived from the metre, the international mile and the second). Results are shown to up to 10 decimal places; round them to suit your purpose.

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Reviewed by

Dr. Muhammad Amjad Khadim PhD Mathematics

Dr. Muhammad Amjad Khadim holds a PhD in Mathematics. He writes and reviews the guides on pakmath.com and checks every formula, conversion factor and worked example against published standards and official guidance before it goes live. Spotted an error? Tell us and it will be corrected.

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First published 28 October 2026 · Last reviewed 5 November 2026