Type a value to convert kilometres per hour to miles per hour instantly. This free converter shows the formula and a quick reference table, and the box works both ways — edit either side.
1 km/h = 0.6213711922 mph · Open the full converter →
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To convert kilometres per hour to miles per hour, multiply the kilometres per hour value by 0.6213711922. So miles per hour = kilometres per hour × 0.6213711922. For example, 100 km/h = 62.13711922 mph. To go the other way, divide by the same number.
| Kilometres per hour (km/h) | Miles per hour (mph) |
|---|---|
| 10 km/h | 6.213711922 mph |
| 30 km/h | 18.64113577 mph |
| 50 km/h | 31.06855961 mph |
| 60 km/h | 37.28227153 mph |
| 80 km/h | 49.70969538 mph |
| 100 km/h | 62.13711922 mph |
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