mph to m/s
One mph is 0.44704 m/s. US and UK speed limits and wind speeds come in mph, so physics calculations need the conversion first.
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Common values
Formula
m/s = mph × 0.44704
A US 65 mph limit is about 105 km/h. Multiplying mph by 1.6 gives km/h closely enough for the road.
Frequently asked questions
Q. How many m/s is 1 mph?
1 mph is 0.447 m/s, and 10 mph is 4.4704 m/s. Type any value in the box above to convert instantly.
Q. And how many mph is 1 m/s?
1 m/s is 2.2369 mph. This converter works both ways, so typing in the right box updates the left one.
Q. Where is this unit used?
A US 65 mph limit is about 105 km/h. Multiplying mph by 1.6 gives km/h closely enough for the road.
Other converters
Traditional units (geun, doe, majigi and so on) vary by region and product.