Convert Kilometers to Miles

Convert kilometers to miles instantly. Type a value below, check the formula and table, then see how the same km to mi conversion looks as a single line in Notes Calculator.

km 62.1371 mi

Kilometers to Miles formula

One kilometer is 0.621371 miles, so mi = km × 0.621371. For the reverse, multiply miles by 1.60934, or use the Miles to Kilometers converter.

Kilometers to Miles conversion table

Kilometers (km)	Miles (mi)
1	0.621371
2	1.24274
5	3.10686
10	6.21371
20	12.4274
25	15.5343
50	31.0686
100	62.1371
250	155.343
500	310.686
1,000	621.371

Kilometers to Miles in Notes Calculator

Notes Calculator is a notepad that does math. Write 100 km to miles on any line and the answer appears beside it. Change the number and the result follows. The same works with in and as, and with values stored in variables, so a whole estimate can mix kilometers and miles without a separate converter.

Kilometers to Miles
Note	Result
100 km to miles	62.14 mi
100 km in miles	62.14 mi
10 miles as km	16.09 km

Results shown exactly as the app prints them with the default two-decimal setting.

See the unit conversion docs for mixing units in one expression, or open the free web app and try it.

More length conversions

How many miles are in one kilometer?

One kilometer equals 0.621371 miles. To convert kilometers to miles, multiply by 0.621371; to go back, multiply by 1.60934.

How do I convert kilometers to miles in Notes Calculator?

Type the value, the unit, and the target unit on one line: 100 km to miles. The keywords to, in, and as all work, and the result updates as you type. You can also keep the value in a variable and convert it later.

Is this kilometers to miles converter free?

Yes. The converter on this page is free, and Notes Calculator has a free plan for the web, Mac, Windows, Linux, and Android with the same unit conversions built in.