Last updated: September 16, 2026
Quick answer: To convert miles per hour to kilometers per hour, multiply by 1.609344. So 60 mph = 96.5606 km/h.
Mile/hour to Kilometer/hour
Instantly convert mile/hour to kilometer/hour with fast, accurate, real-time results.
Miles per hour is the speed unit on US and UK roads; kilometers per hour is used across most of the world. Converting mph to km/h is common when travelling or comparing vehicle specs.
How to convert miles per hour to kilometers per hour
Multiply mph by 1.609344. One mile per hour equals exactly 1.609344 kilometers per hour.
To go the other way, use the km/h to mph converter.
Step-by-step
- Write down the value in miles per hour (for example, 60 mph).
- Multiply it by 1.609344.
- The result is the value in kilometers per hour (60 mph = 96.5606 km/h).
- Round to the precision you need using the tool above.
Worked example
Convert 60 miles per hour to kilometers per hour:
So 60 miles per hour is 96.5606 kilometers per hour.
Miles per hour to kilometers per hour conversion table
| Miles per hour (mph) | Kilometers per hour (km/h) |
|---|---|
| 5 mph | 8.04672 km/h |
| 10 mph | 16.0934 km/h |
| 20 mph | 32.1869 km/h |
| 30 mph | 48.2803 km/h |
| 40 mph | 64.3738 km/h |
| 50 mph | 80.4672 km/h |
| 60 mph | 96.5606 km/h |
| 70 (motorway) mph | 112.654 km/h |
| 80 mph | 128.748 km/h |
| 100 mph | 160.934 km/h |
Understanding your result
The conversion is exact; any rounding is only from the decimals you display.
Accuracy & limitations
This uses the international mile (1.609344 km exactly), so the factor is exact.
Frequently asked questions
How many kilometers per hour are in a miles per hour?
One miles per hour equals 1.609344 kilometers per hour.
How do I convert miles per hour to kilometers per hour?
Multiply by 1.609344. For example, 60 mph × 1.609344 = 96.5606 km/h.
What is 60 miles per hour in kilometers per hour?
60 miles per hour is 96.5606 kilometers per hour.
How do I convert kilometers per hour back to miles per hour?
Use the km/h to mph converter.
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