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Convert kilometers to miles

Convert kilometers (km) to miles (mi). 1 km = 0.621371 mi, and 1 mi = 1.60934 km.

1 km = 0.621371 mi

KM to Miles formula

mi = km ÷ 1.609344

Divide the number of kilometers by 1.609344.

Example: To convert 1 km to miles: 1 ÷ 1.609344 = 0.621371 mi.

Quick answers

What is 1 km in miles?
1 km = 0.621371 mi
What is 5 km in miles?
5 km = 3.10686 mi
What is 10 km in miles?
10 km = 6.21371 mi
What is 21.0975 km in miles?
21.0975 km = 13.1094 mi
What is 42.195 km in miles?
42.195 km = 26.2188 mi

KM to Miles conversion table

Miles to KM table
kilometers (km)miles (mi)
1 km0.621371 mi
2 km1.24274 mi
3 km1.86411 mi
5 km3.10686 mi
10 km6.21371 mi
15 km9.32057 mi
20 km12.4274 mi
21.0975 km13.1094 mi
25 km15.5343 mi
42.195 km26.2188 mi
50 km31.0686 mi
100 km62.1371 mi
150 km93.2057 mi
200 km124.274 mi
250 km155.343 mi
500 km310.686 mi
1,000 km621.371 mi

Frequently asked questions

How many kilometers are in a mile?

There are 1.60934 kilometers in a mile (1 mi = 1.60934 km), so 1 km = 0.621371 mi.

How do I convert kilometers to miles?

Divide the number of kilometers by 1.609344. To convert 1 km to miles: 1 ÷ 1.609344 = 0.621371 mi.

Is the KM to Miles conversion exact?

Yes. Both units are defined exactly, so 1 kilometer is exactly 0.621371192237 miles. Results on this page are rounded to six significant digits; pick more decimals in the converter if you need them.

What is 1 km in miles?

1 km = 0.621371 mi.

How do I convert miles back to kilometers?

Use the reverse relationship: 1 mi = 1.60934 km. The Miles to KM page has a converter and a full table.

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