Convert Kilometers to Miles
Kilometers (km) to Miles (mi) — the formula, a worked example and a live converter, all in your browser.
Kilometers to Miles formula
To convert a measurement, multiply it by the fixed factor below:
mi = km × 0.6213711922
Worked example
1 km = 1 × 0.6213711922 = 0.6213711922 mi.
Kilometers to Miles conversion table
| Kilometers (km) | Miles (mi) |
|---|---|
| 1 | 0.6213711922 |
| 5 | 3.106855961 |
| 10 | 6.213711922 |
| 25 | 15.53427981 |
| 50 | 31.06855961 |
| 100 | 62.13711922 |
Common uses
Useful for reading road signs and race distances when travelling between metric and imperial countries, or comparing a 10 km run to its distance in miles.
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Frequently asked questions
What is the formula to convert kilometers to miles?
Multiply the number of kilometers by 0.6213711922 to get miles (mi = km × 0.6213711922).
How many miles are in a kilometer?
One kilometer equals 0.6213711922 miles.
Is this converter accurate?
Yes. It uses the exact internationally-defined conversion factors and runs entirely in your browser, so results match standards tables and nothing you type is uploaded.