About the MPH to KMH Converter
Convert miles per hour (mph) to kilometers per hour (km/h) instantly. Includes the exact conversion factor, formula and a quick reference table.
Also known as: mph to km/h, Miles per hour to Kilometers per hour, convert Miles per hour to Kilometers per hour, mph to kmh, miles per hour to kilometers per hour, mph to kph.
How to use this calculator
- Enter value in miles per hour.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Open “Step-by-step” to see how the answer was worked out.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
km/h = mph × 1.609344
Worked example
Using the values pre-filled in the calculator above:
- Value in miles per hour = 60 mph
the calculator returns:
- Kilometers per hour: 96.56064 km/h
- Meters per second: 26.8224 m/s
- Feet per second: 88 ft/s
- Knots: 52.1386 kn
Working
60 mph × 1.609344 = 96.56064 km/h