How to convert kilometers per hour to miles per hour
- Take the value in kilometers per hour.
- Use the formula miles per hour = kilometers per hour × 0.6213711922.
- For example, 100 km/h is 62.14 mph.
About kilometers per hour and miles per hour
Divide km/h by 1.609344 to get mph, or multiply by 0.621371. For a quick estimate multiply by 5/8: 80 km/h is about 50 mph.
You need this when driving abroad in a car with an mph speedometer, or when reading European and Asian car specs, which give top speed and acceleration in km/h.
Examples
- 100 km/h (a common highway speed limit) is 62.14 mph
- 50 km/h (the usual town limit in Europe) is 31.07 mph
- 130 km/h (the motorway limit in France and Italy) is 80.78 mph
- 30 km/h (a residential zone limit in many cities) is 18.64 mph
Kilometers per hour to miles per hour chart
| Kilometers per hour (km/h) | Miles per hour (mph) |
|---|---|
| 10 | 6.21 |
| 20 | 12.43 |
| 30 | 18.64 |
| 40 | 24.85 |
| 50 | 31.07 |
| 60 | 37.28 |
| 70 | 43.5 |
| 80 | 49.71 |
| 90 | 55.92 |
| 100 | 62.14 |
| Kilometers per hour (km/h) | Miles per hour (mph) |
|---|---|
| 110 | 68.35 |
| 120 | 74.56 |
| 130 | 80.78 |
| 140 | 86.99 |
| 150 | 93.21 |
| 160 | 99.42 |
| 180 | 111.85 |
| 200 | 124.27 |
| 250 | 155.34 |
| 300 | 186.41 |