Kilometers to Miles
Convert kilometers to miles and back. For road signs abroad, running and cycling logs, and car odometers.
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Common values
Formula
mi = km × 0.6213711922
One mile is 1.609344 km. A marathon (42.195 km) is about 26.2 miles; a half is about 13.1 miles.
Frequently asked questions
QHow many mi is 1 km?
1 km is 0.621 mi, and 10 km is 6.214 mi. Type any value in the box above to convert instantly.
QAnd how many km is 1 mi?
1 mi is 1.609 km. This converter works both ways, so typing in the right box updates the left one.
QWhere is this unit used?
One mile is 1.609344 km. A marathon (42.195 km) is about 26.2 miles; a half is about 13.1 miles.
Other converters
Traditional units (geun, doe, majigi and so on) vary by region and product.