Convert kilometres to miles

1 km = 0.621371 mi. Enter a value in either field: the conversion works both ways.

km
mi

⇄ Convert miles to kilometres

Conversion formula

mi = km × 0.621371
km = mi ÷ 0.621371

Example: 10 km × 0.621371 = 6.2137 mi.

The international mile is exactly 1,609.344 metres. You'll mostly see it in the United States and the United Kingdom, on road signs and for race distances.

km to mi conversion chart

KilometresMiles
1 km0.621 mi
5 km3.107 mi
10 km6.214 mi
21.1 km13.111 mi
42.2 km26.222 mi
50 km31.069 mi
100 km62.137 mi
200 km124.274 mi
500 km310.686 mi
1,000 km621.371 mi

Frequently asked questions

How many miles are in 1 km?
1 km equals 0.621371 mi.
How many km are in a mile?
One mile equals 1.609 km.
How many miles is a marathon?
A 42.195 km marathon is 26.2 miles.

Related calculators

ConversionsMiles to kilometres1 mi = 1.6093 kmConversionsKm/h to mph1 km/h = 0.6214 mphConversionsKilograms to pounds1 kg = 2.2046 lbConversionsGrams to ounces1 g = 0.0353 ozConversionsCentimetres to inches1 cm = 0.3937 in