QUICK CONVERSION
Miles per hour to Kilometres per hour
Enter a value to convert miles per hour to kilometres per hour, or use the right-hand input to convert in reverse.
How to convert miles per hour to kilometres per hour
Multiply the number of miles per hour by 1.60934400 to get kilometres per hour.
Formula: Kilometres per hour = Miles per hour × 1.60934400.
Common conversion values
| Miles per hour (mph) | Kilometres per hour (km/h) |
|---|---|
| 0 | 0.00000000 |
| 1 | 1.60934400 |
| 2 | 3.21868800 |
| 5 | 8.04672000 |
| 10 | 16.09344000 |
| 20 | 32.18688000 |
| 25 | 40.23360000 |
| 50 | 80.46720000 |
| 100 | 160.93440000 |
| 500 | 804.67200000 |
| 1000 | 1,609.34400000 |
Related conversions
Figures are rounded for display. For regulated or safety-critical work, confirm the relevant measurement standard and precision.