Length converter
Convert metres, feet, inches and more.
Open toolKilometres per hour to Miles per hour
Convert kilometres per hour (km/h) to miles per hour (mph) with a copyable result.
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THE QUICK GUIDE
How to use kilometres per hour to miles per hour
Enter a value in kilometres per hour, choose your display precision, and select Convert. Use Swap units to calculate the reverse direction.
How it works
Speed conversion: multiply the value in km/h by 0.621371192237 to obtain mph. Both units are related through metres per second.
A useful example
1 km/h = 0.621371192237 mph.
Good to know
Uses speed units as labelled. Floating-point arithmetic is approximate; results show up to 12 significant digits. Very large or small results use scientific notation.