Speed converter
Kilometers per hour to Miles per hour Converter
Convert kilometers per hour (km/h) to miles per hour (mph) instantly using the converter below.
1 km/h = 0.621371192237 mph
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Formula
mph = km/h × 0.621371192237
1 km/h = 0.621371192237 mph
Worked example
To convert 10 km/h, apply the formula:
10 km/h = 6.21371192237 mph
Quick conversion table
| km/h | mph |
|---|---|
| 1 | 0.621371192237 |
| 5 | 3.10685596119 |
| 10 | 6.21371192237 |
| 25 | 15.5342798059 |
| 50 | 31.0685596119 |
| 100 | 62.1371192237 |
About the units
Kilometers per hour: Conversion factors follow internationally recognized SI and NIST reference values.
Miles per hour: Conversion factors follow internationally recognized SI and NIST reference values.