US and metric measurements
Miles to Kilometers Converter
Convert miles to kilometers, or swap the units for kilometers to miles. This tool uses the ordinary international mile.
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Convert miles to kilometers
Multiply miles by 1.609344: kilometers = miles × 1.609344. This is the exact conversion for the international mile.
Example: 5 miles
5 × 1.609344 = 8.04672 km. A 5-mile run is slightly longer than 8 kilometers.
Kilometers to miles
Swap the units and divide kilometers by 1.609344. For example, 10 km ≈ 6.213712 mi.
Distance, pace and travel time
This tool converts an existing distance. To work out duration from a distance and average speed, use the travel time calculator. For running minutes per mile or kilometer, use the pace calculator.
A nautical mile is a different unit, equal to 1.852 km. Nautical miles are not supported by this converter.
Miles to kilometers conversion table
| mi | km |
|---|---|
| 1 | 1.609344 |
| 3.1 | 4.988966 |
| 5 | 8.04672 |
| 10 | 16.09344 |
| 13.1 | 21.082406 |
| 26.2 | 42.164813 |
Conversion factors use international inches, feet, yards and miles. Display rounding does not change the underlying calculation. Use a period for decimal inputs; fractional inch results are approximate.