Miles per hour to Kilometers per hour

Conversion Factor

1 mph = 1.609344 km/h

Miles per hour (mph) and kilometers per hour (km/h) are both units of speed. mph is most commonly used in the United States and the United Kingdom, while km/h is used in most other countries.

The conversion factor between mph and km/h is 1 mph = 1.609344 km/h. This means that 1 mile per hour is equal to 1.609344 kilometers per hour.

To convert mph to km/h, multiply the speed in mph by 1.609344. For example, to convert 60 mph to km/h, multiply 60 by 1.609344, which gives you 96.56064 km/h.

To convert km/h to mph, divide the speed in km/h by 1.609344. For example, to convert 100 km/h to mph, divide 100 by 1.609344, which gives you 62.1371 mph.