Miles to KM Converter
Convert a distance in miles to kilometers. Enter any value below, or use the chart for common running and driving distances.
Formula: km = miles × 1.609344
Common miles to kilometers conversions
| Miles | Kilometers |
|---|---|
| 1 mi | 1.60934 km |
| 3.1 mi | 4.98897 km |
| 5 mi | 8.04672 km |
| 6.2 mi | 9.97793 km |
| 10 mi | 16.0934 km |
| 13.1 mi | 21.0824 km |
| 20 mi | 32.1869 km |
| 26.2 mi | 42.1648 km |
| 50 mi | 80.4672 km |
| 100 mi | 160.934 km |
Need the other direction? Convert kilometers to miles or use the full Unit Converter for length, weight, temperature, area, volume and speed.
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How to use miles to km converter
- 1Enter a distance in miles.
- 2The equivalent in kilometers appears instantly.
- 3Use the swap button to convert kilometers to miles instead.
- 4Copy the result, or look up a common distance in the chart.
About this tool
One mile is defined as exactly 1.609344 kilometers, so km = miles × 1.609344. The quick mental shortcut is to multiply by 1.6, which is within half a percent.
Examples: a marathon is 26.2 miles (42.195 km), a half marathon is 13.1 miles (21.1 km), and a 60 mph speed limit is about 97 km/h. Road signs in the US and UK use miles, while Canada and Australia use kilometers, so the conversion comes up when driving abroad or following a training plan written for another country.
Frequently asked questions
Exactly 1.609344 km.
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