How to convert miles per hour to kilometers per hour
One mile per hour equals 1.6093 kilometers per hour, so multiply the value in miles per hour by 1.609344: km/h = mph × 1.609344.
Example: 10 mph = 10 × 1.609344 = 16.0934 km/h.
Miles per hour to kilometers per hour table
| Miles per hour (mph) | Kilometers per hour (km/h) |
|---|---|
| 0.1 | 0.1609 |
| 0.5 | 0.8047 |
| 1 | 1.6093 |
| 2 | 3.2187 |
| 3 | 4.828 |
| 4 | 6.4374 |
| 5 | 8.0467 |
| 6 | 9.6561 |
| 7 | 11.2654 |
| 8 | 12.8748 |
| 9 | 14.4841 |
| 10 | 16.0934 |
| 15 | 24.1402 |
| 20 | 32.1869 |
| 25 | 40.2336 |
| 30 | 48.2803 |
| 40 | 64.3738 |
| 50 | 80.4672 |
| 75 | 120.7008 |
| 100 | 160.9344 |
| 250 | 402.336 |
| 500 | 804.672 |
| 1,000 | 1,609.34 |
About the units
- Mile per hour (mph): Miles per hour, used for speed limits in the US and UK.
- Kilometer per hour (km/h): The speed unit on road signs and speedometers in most countries.
Need the other direction? Convert kilometers per hour to miles per hour — 1 kilometer per hour = 0.6214 miles per hour.
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Open the unit converter Frequently asked questions
How many kilometers per hour are in a mile per hour?
1 mile per hour = 1.6093 kilometers per hour.
What is the formula for miles per hour to kilometers per hour?
km/h = mph × 1.609344.
How much is 10 mph in km/h?
10 mph = 16.0934 km/h.