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Kilometers to Miles Converter

Convert kilometers to miles (km to mi) quickly and accurately.

Quick conversion table

KilometersMiles
1 km0.62137 mi
2 km1.24274 mi
3 km1.86411 mi
4 km2.48548 mi
5 km3.10686 mi
6 km3.72823 mi
7 km4.3496 mi
8 km4.97097 mi
9 km5.59234 mi
10 km6.21371 mi
12 km7.45645 mi
15 km9.32057 mi
20 km12.42742 mi
KilometersMiles
25 km15.53428 mi
30 km18.64114 mi
40 km24.85485 mi
50 km31.06856 mi
60 km37.28227 mi
75 km46.60284 mi
100 km62.13712 mi
150 km93.20568 mi
200 km124.27424 mi
250 km155.3428 mi
500 km310.6856 mi
1,000 km621.37119 mi

About this tool

The kilometer (km), equal to 1,000 meters, is the metric unit used for road distances, running and cycling routes, and navigation in almost every country in the world.

The mile traces back to the Roman “mille passus” (a thousand paces) and is the imperial unit still used for road distances and speed limits in the United States and the United Kingdom. Since 1959, 1 mile has been defined as exactly 1,609.344 meters.

This converter is handy for planning a road trip abroad, comparing marathon or race distances, or making sense of a speed limit or odometer reading in a country that uses the other unit.

Worked example

  1. 1Start with your value in kilometers. For example, 10 km.
  2. 2Apply the formula: 1 kilometer = 0.6213711922 miles.
  3. 310 km converts to 6.21371 mi.

Formula

1 kilometer = 0.6213711922 miles

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Frequently asked questions

How do I convert kilometers to miles?
To convert kilometers to miles, apply the formula: 1 kilometer = 0.6213711922 miles.
What is 1 km in miles?
1 km is equal to 0.62137 mi.
What is 10 km in miles?
10 km is equal to 6.21371 mi.
What is 100 km in miles?
100 km is equal to 62.13712 mi.
Is the km to miles conversion exact?
Yes. The international mile is defined as exactly 1,609.344 meters, so the conversion factor is exact rather than approximated. Results are rounded to 5 decimal places for display.