KM to Miles Converter
Convert kilometers to miles instantly. Simple, accurate km-to-miles converter with a handy reference table. Free online tool, works in your browser.
Kilometers to Miles Conversion Table
| Kilometers (km) | Miles (mi) |
|---|---|
| 1 km | 0.621371 mi |
| 2 km | 1.242742 mi |
| 5 km | 3.106856 mi |
| 10 km | 6.213712 mi |
| 15 km | 9.320568 mi |
| 20 km | 12.427424 mi |
| 25 km | 15.53428 mi |
| 42.195 km | 26.218757 mi |
| 50 km | 31.06856 mi |
| 100 km | 62.137119 mi |
How to Use KM to Miles Converter
- Enter the distance in kilometers you want to convert.
- The equivalent distance in miles is displayed instantly.
- Use the copy button to copy the result to your clipboard.
- Check the conversion table below for common kilometer-to-mile values.
Kilometers to Miles Conversion Formula
The formula to convert kilometers to miles is:
This is the inverse of the miles-to-kilometers conversion. Since 1 mile equals 1.609344 kilometers, dividing by this factor (or equivalently, multiplying by its reciprocal 0.621371) converts kilometers to miles. The conversion factor is derived from the exact definition of the inch as 25.4 mm.
Converting kilometers to miles is commonly needed when driving in the United States after using metric navigation, interpreting international distance markers, comparing vehicle fuel economy ratings (L/100km vs. mpg), understanding athletic performance data from international events, and reading scientific papers that report distances in metric units.