Kilometers per hour converter
Convert between kilometers per hour and other units of speed
km/h
1 kilometer per hour ≈
0.621 miles per hour
* rounded result
Select how many decimal places the result will be rounded to:
How to convert kilometers per hour to miles per hour
To convert kilometers per hour to miles per hour, divide a kilometers per hour value by 1.609344.
Formula mph = km/h / 1.609344
Example: Convert 150 kilometers per hour to miles per hour Calculations: 150 km/h / 1.609344 ≈ 93.2057 mph
Kilometer per hour (km/h)
The kilometer per hour is a unit of speed in the metric system, defined as the number of kilometers traveled in one hour. It is approximately equal to 0.62137 miles per hour.
Mile per hour (mph)
The mile per hour is the imperial and US customary systems unit of speed, defined as the number of miles traveled in one hour. It is equal to 1.609344 kilometers per hour.