How to convert miles per hour to kilometers per hour
- Take the value in miles per hour.
- Use the formula kilometers per hour = miles per hour × 1.609344.
- For example, 60 mph is 96.56 km/h.
About miles per hour and kilometers per hour
A mile is exactly 1.609344 kilometers, so multiply mph by 1.609344 to get km/h. For a quick estimate add 60%: 50 mph is about 80 km/h.
The US and UK post speed limits in mph while most other countries use km/h. Car specs also mix them, with 0 to 60 mph times in the US and UK and 0 to 100 km/h elsewhere.
Examples
- 60 mph (the classic 0 to 60 acceleration test) is 96.56 km/h
- 70 mph (the UK motorway speed limit) is 112.65 km/h
- 65 mph (a common US interstate limit) is 104.61 km/h
- 30 mph (a typical UK town speed limit) is 48.28 km/h
Miles per hour to kilometers per hour chart
| Miles per hour (mph) | Kilometers per hour (km/h) |
|---|---|
| 5 | 8.05 |
| 10 | 16.09 |
| 15 | 24.14 |
| 20 | 32.19 |
| 25 | 40.23 |
| 30 | 48.28 |
| 35 | 56.33 |
| 40 | 64.37 |
| 45 | 72.42 |
| 50 | 80.47 |
| 55 | 88.51 |
| 60 | 96.56 |
| Miles per hour (mph) | Kilometers per hour (km/h) |
|---|---|
| 65 | 104.61 |
| 70 | 112.65 |
| 75 | 120.7 |
| 80 | 128.75 |
| 85 | 136.79 |
| 90 | 144.84 |
| 100 | 160.93 |
| 110 | 177.03 |
| 120 | 193.12 |
| 150 | 241.4 |
| 200 | 321.87 |