Miles per hour to kilometres per hour
Type a value in either box. 1 mph = 1.609344 km/h.
Last updated
How to convert
To convert miles per hour to kilometres per hour, multiply by 1.609344.
km/h = mph × 1.609344
For example: 60 mph × 1.609344 = 96.5606 km/h.
One mile per hour is exactly 1.609344 km/h.
In your head: Multiply by 8 and divide by 5: 70 mph ≈ 112 km/h (exactly 112.65).
When you’ll need it
Taking a UK car abroad, the small km/h figures on the speedometer are easy to misread: a 30 mph limit is 48 km/h, and the UK motorway limit of 70 mph is about 113 km/h.
Common values
| Miles per hour (mph) | Kilometres per hour (km/h) |
|---|---|
| 5 mph | 8.0467 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 mph | 112.6541 km/h |
| 80 mph | 128.7475 km/h |
| 100 mph | 160.9344 km/h |
| 120 mph | 193.1213 km/h |
| 150 mph | 241.4016 km/h |
Questions
- How many kilometres per hour are in a mile per hour?
- 1 mile per hour is 1.609344 kilometres per hour.
- What is the formula to convert miles per hour to kilometres per hour?
- km/h = mph × 1.609344. One mile per hour is exactly 1.609344 km/h.
- What is 60 miles per hour in kilometres per hour?
- 60 miles per hour is 96.5606 kilometres per hour.