Convert Kilometres per Hour to Miles per Hour (km/h to mph)
Enter a value in kilometres per hour to convert it to miles per hour instantly.
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Convert Kilometres per Hour to Miles per Hour (km/h to mph)
Kilometres per hour (km/h) is the metric speed unit; miles per hour (mph) is shown on UK speedometers. One kilometres per hour equals 0.62137 mph, so the calculator above gives the answer the instant you type.
The formula
miles per hour = kilometres per hour × 0.62137. To convert the other way, divide by 0.62137 (or use the swap button above).
Worked example
To convert 100 km/h to miles per hour: 100 × 0.62137 = 62.1371 mph. 100 km/h is about 62 mph.
Kilometres per Hour to Miles per Hour conversion table
| km/h | mph |
|---|---|
| 10 km/h | 6.21371 mph |
| 20 km/h | 12.42742 mph |
| 30 km/h | 18.64113 mph |
| 40 km/h | 24.85484 mph |
| 50 km/h | 31.06855 mph |
| 60 km/h | 37.28226 mph |
| 70 km/h | 43.49597 mph |
| 80 km/h | 49.70968 mph |
| 100 km/h | 62.1371 mph |
| 120 km/h | 74.56452 mph |
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Frequently Asked Questions
1 km/h = 0.62137 mph.
100 × 0.62137 = 62.1371 mph.
Multiply the number of kilometres per hour by 0.62137. 100 km/h is about 62 mph.