KM/H to MPH Converter
Divide kilometres per hour by 1.609344 for miles per hour. This is the conversion you need when driving a metric-signposted road in an imperial car.
km/hmph
1 km/h = 0.621371 mph
Worked example
30 km/h converts to 18.641136 mph.
Quick reference
| Kilometres per hour | Miles per hour |
|---|---|
| 30 km/h | 18.641136 mph |
| 50 km/h | 31.06856 mph |
| 80 km/h | 49.709695 mph |
| 100 km/h | 62.137119 mph |
| 120 km/h | 74.564543 mph |
| 130 km/h | 80.778255 mph |