Convert kilometers per hour to miles per hour instantly. 100 km/h = 62.13712 mph.
1 km/h = 0.6213712 mph
To convert kilometers per hour to miles per hour, use the formula mph = km/h × 0.6213712. In other words, multiply the number of kilometers per hour by 0.6213712 to get the equivalent in miles per hour. For example, 100 km/h equals 62.13712 mph.
| KM/H (km/h) | MPH (mph) |
|---|---|
| 1 km/h | 0.6213712 mph |
| 5 km/h | 3.106856 mph |
| 10 km/h | 6.213712 mph |
| 15 km/h | 9.320568 mph |
| 20 km/h | 12.42742 mph |
| 25 km/h | 15.53428 mph |
| 30 km/h | 18.64114 mph |
| 40 km/h | 24.85485 mph |
| 50 km/h | 31.06856 mph |
| 60 km/h | 37.28227 mph |
| 70 km/h | 43.49598 mph |
| 80 km/h | 49.7097 mph |
| 90 km/h | 55.92341 mph |
| 100 km/h | 62.13712 mph |
| 110 km/h | 68.35083 mph |
| 120 km/h | 74.56454 mph |
| 130 km/h | 80.77825 mph |
| 150 km/h | 93.20568 mph |
| 200 km/h | 124.2742 mph |
| 300 km/h | 186.4114 mph |
The kilometer per hour (km/h) and the mile per hour (mph) are both units of speed. This page gives you an instant, exact conversion between them, a reference table for the most common values, and the underlying formula so you can check the maths yourself. All calculations run in your browser — nothing you type is sent anywhere.
Need to go the other way? Use the MPH to KM/H converter. For all units at once, try the full Speed Converter.
Use the formula mph = km/h × 0.6213712. For example, 100 km/h equals 62.13712 mph. Just enter your value in the converter above to get an instant result.
1 km/h = 0.6213712 mph. You can multiply any number of kilometers per hour by this figure to convert it, or use the calculator above for exact results.
Use the reverse conversion: 1 mph = 1.609344 km/h. Our MPH to KM/H converter does this for you.