Free length calculator
Miles to Kilometers Converter (mi to km)
Enter a value to convert miles to kilometers. Results update as you type and include the calculation steps.
mi
Result
Enter a value above
In decimal inches
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As a common fraction
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Feet and inches
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How to convert miles to kilometers
Multiply the miles value by 1.609344.
km = mi x 1.609344
Worked example
For 20 mi: 20 x 1.609344 = 32.18688 km.
The calculator keeps more precision internally than the number displayed, so repeated conversions remain accurate.
Miles to Kilometers conversion table
| Miles (mi) | Kilometers (km) |
|---|---|
| 0.1 mi | 0.1609344 km |
| 1 mi | 1.609344 km |
| 2 mi | 3.218688 km |
| 5 mi | 8.04672 km |
| 10 mi | 16.09344 km |
| 20 mi | 32.18688 km |
| 25 mi | 40.2336 km |
| 50 mi | 80.4672 km |
| 100 mi | 160.9344 km |
| 250 mi | 402.336 km |
| 500 mi | 804.672 km |
| 1000 mi | 1609.344 km |
About the units
Mile
An international mile equals exactly 5,280 feet, 1,760 yards, or 1.609344 kilometers.
Kilometer
A kilometer equals 1,000 meters and exactly 1/1.609344 international miles.