🔄 File & Data Converters
KM/H to MPH Converter
Enter a speed in km/h to convert it to mph, or switch units to convert the other way.
1 Km/h = 0.621372 Mph
All Km/h conversions
Meters/second
0.277778
Mph
0.621372
Knots
0.539958
How to use this tool
- 1Enter a speed in kilometers per hour.
- 2The result in mph updates instantly.
- 3Use the swap button to convert mph to km/h instead.
Frequently asked questions
- How many mph is 1 km/h?
- 1 km/h equals approximately 0.621371 mph.