Miles per Hour to km/h Converter
Convert miles per hour to km/h - 1 mph is 1.609344 km/h.
Speed
Enter a value above to convert between mph and km/h.
1 mph equals
meter/second0.44704m/s
kilometer/hour1.609344km/h
mile/hour1mph
foot/second1.46666667ft/s
knot0.86897624kn
mach (STP)0.0013137Ma
How do you convert mph to km/h?
Multiply the miles-per-hour value by 1.609344, the number of kilometers in a mile: km/h = mph × 1.609344. To convert km/h to mph, divide by 1.609344.
Worked example
60 mph is 60 × 1.609344 = 96.56 km/h. A 30 mph limit is 30 × 1.609344 = 48.28 km/h, and 100 km/h is 62.14 mph.
MPH to km/h - quick facts
One mile per hour equals 1.609344 km/h, and one km/h equals 0.621371 mph. Common values: 50 mph = 80.47 km/h, 70 mph = 112.65 km/h.