Miles to KM Converter
Convert miles to kilometers instantly, and km back to miles. Based on the exact 1 mile = 1.609344 km definition.
Independently verified for accuracy
Calculator by Toolsloft ↗- Result
- 1.609344 Kilometers (km)
- Conversion
- 1 Miles (mi) = 1.609344 Kilometers (km)
Convert miles to kilometers, and kilometers back to miles with one click. Handy for road distances, running goals, and travel where signs and maps switch units at the border. Type the distance and read the answer as you go.
How this is calculated
A mile is defined as exactly 1609.344 meters, so miles are multiplied by 1.609344 to get kilometers and kilometers are divided by 1.609344 to get miles. That exact factor is why a marathon of 26.2 miles works out to about 42.16 kilometers.
How to use
- Enter the number of miles.
- Keep the direction on miles to km, or press Swap units for km to miles.
- Read the result in kilometers.
Examples
- Five-mile run:
5 mi = 8.04672 km - Marathon distance:
26.2 mi = 42.164813 km - km to miles:
10 km = 6.213712 mi
FAQ
- How do I convert miles to kilometers?
- Multiply the number of miles by 1.609344. For example, 5 miles times 1.609344 is about 8.05 kilometers.
- How many kilometers is a marathon?
- A marathon is 26.2 miles, which is about 42.16 kilometers. The official distance is 42.195 km.