MPH to KM/H Converter
Convert a speed in miles per hour to kilometres per hour. Enter a value below, or check the chart for common speed limits and driving speeds.
Formula: km/h = mph × 1.609344
Common miles per hour to kilometers per hour conversions
| Miles per hour | Kilometers per hour |
|---|---|
| 10 mph | 16.0934 km/h |
| 20 mph | 32.1869 km/h |
| 25 mph | 40.2336 km/h |
| 30 mph | 48.2803 km/h |
| 40 mph | 64.3738 km/h |
| 50 mph | 80.4672 km/h |
| 55 mph | 88.5139 km/h |
| 60 mph | 96.5606 km/h |
| 70 mph | 112.654 km/h |
| 80 mph | 128.748 km/h |
Need the other direction? Convert kilometers per hour to miles per hour or use the full Unit Converter for length, weight, temperature, area, volume and speed.
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How to use mph to km/h converter
- 1Enter a speed in miles per hour.
- 2The equivalent in km/h appears instantly.
- 3Use the swap button to convert km/h to mph instead.
- 4Copy the result, or check the chart for common speeds.
About this tool
One mile is exactly 1.609344 kilometres, so km/h = mph × 1.609344. 60 mph is 96.56 km/h and 70 mph is 112.65 km/h.
The US and UK post speed limits in mph, while most other countries — including Canada, Australia and the rest of Europe — use km/h. That makes this conversion handy when driving abroad or reading a car's specifications.
The chart covers common speed limits. For other speed units such as metres per second or knots, use the Unit Converter.
Frequently asked questions
60 mph is 96.56 km/h.