Miles to KM Converter

Type a distance in miles and see it in kilometers at once — with the formula and a table.

100% private — runs entirely in your browser. Your data is processed on your device and never sent to the internet.

How to convert miles to kilometers

One mile is exactly 1.609344 kilometers (1,760 yards). To turn miles into km, multiply by 1.609.

Formula: km = miles × 1.609344

Example: 26.2 miles × 1.609344 = 42.16 km (a marathon)

mi to km table

Miles (mi)Kilometers (km)
0.50.8
11.61
23.22
34.83
58.05
1016.09
13.121.08
1524.14
2032.19
2540.23
26.242.16
3048.28
5080.47
6096.56
70112.65
100160.93
200321.87
500804.67
1,0001,609.34

Values are rounded to 2 decimal places.

Good to know

  • A nautical mile (sea and air) is longer: 1.852 km
  • UK road signs show miles; most of the world uses km
  • A mile run in 8 minutes is a pace of about 4:58 per km

How to use it

  • Type a number in the From box — the answer appears straight away
  • Click Swap (⇄) to convert the other way, from kilometers to miles
  • Change the units or the category to convert anything else — length, weight, temperature, volume, speed and more

Frequently asked questions

How many km is 1 mile?

1.609 kilometers (exactly 1.609344).

How do I convert miles to km in my head?

Multiply by 1.6: 50 miles × 1.6 = 80 km (exact: 80.47 km).

Is a nautical mile the same as a mile?

No. A nautical mile is 1,852 m — about 15% longer than a land mile of 1,609 m.

Is my data sent anywhere?

No. The conversion runs in your browser, on your own device.

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