Kilometers to Miles Converter
Convert kilometers to miles instantly. 1 km = 0.621371 mi. Free two-way converter with the formula and a quick reference table.
How to convert kilometers to miles
miles = kilometers × 0.621371
One kilometer equals 0.621371 miles, so to convert kilometers to miles you multiply by 0.621371. Going the other way, one mile is 1.6093 kilometers. Both units measure length, so the conversion is an exact ratio that never changes.
10 kilometers = 6.2137 miles. Multiply your kilometer figure by the factor above (or just type it into the box) to convert any amount.
Need the other direction? miles to kilometers
kilometers to miles table
| kilometers (km) | miles (mi) |
|---|---|
| 1 | 0.621371 |
| 2 | 1.2427 |
| 3 | 1.8641 |
| 5 | 3.1069 |
| 10 | 6.2137 |
| 20 | 12.4274 |
| 25 | 15.5343 |
| 50 | 31.0686 |
| 100 | 62.1371 |
| 250 | 155.34 |
| 500 | 310.69 |
| 1,000 | 621.37 |
Frequently asked questions
How many miles are in a kilometer?
One kilometer equals 0.621371 miles. So to convert, multiply the number of kilometers by 0.621371.
How do I convert kilometers to miles?
Multiply by 0.621371, or simply enter the value in the converter above — it does the math instantly and works both ways.
Is this conversion exact?
Yes — both units measure the same quantity, so the ratio is fixed and this uses the standard internationally-agreed factor.