Speed converter
Miles per hour to Kilometers per hour Converter
Convert miles per hour (mph) to kilometers per hour (km/h) instantly using the converter below.
1 mph = 1.609344 km/h
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Formula
km/h = mph × 1.609344
1 mph = 1.609344 km/h
Worked example
To convert 10 mph, apply the formula:
10 mph = 16.09344 km/h
Quick conversion table
| mph | km/h |
|---|---|
| 1 | 1.609344 |
| 5 | 8.04672 |
| 10 | 16.09344 |
| 25 | 40.2336 |
| 50 | 80.4672 |
| 100 | 160.9344 |
About the units
Miles per hour: Conversion factors follow internationally recognized SI and NIST reference values.
Kilometers per hour: Conversion factors follow internationally recognized SI and NIST reference values.