Kilometers to Miles formula
miles = kilometers × 0.621371
Multiply the number of kilometers by 0.621371 to get miles. To go the other way, multiply by 1.60934 instead, or use the miles to km converter.
Kilometers to Miles conversion table
Common km to miles values, rounded for reading. The converter above keeps full precision.
| Kilometers | Miles |
|---|---|
| 1 km | 0.621371 mi |
| 2 km | 1.24274 mi |
| 3 km | 1.86411 mi |
| 4 km | 2.48548 mi |
| 5 km | 3.10686 mi |
| 10 km | 6.21371 mi |
| 15 km | 9.32057 mi |
| 20 km | 12.4274 mi |
| 25 km | 15.5343 mi |
| 50 km | 31.0686 mi |
| 75 km | 46.6028 mi |
| 100 km | 62.1371 mi |
| 250 km | 155.343 mi |
| 500 km | 310.686 mi |
| 1,000 km | 621.371 mi |
Worked example
To convert 10 km to miles, multiply by 0.621371: the result is 6.21371 mi. International inch, foot, yard and mile definitions are exact. One inch equals exactly 2.54 centimeters.
Frequently asked questions
How many miles are in a kilometer?
One kilometer equals 0.621371 miles (1 km = 0.621371 mi).
What is 10 kilometers in miles?
10 km converts to 6.21371 mi. Enter any other value in the converter above to see it recalculated instantly.
How do I convert miles back to kilometers?
Reverse the calculation: one mile equals 1.60934 kilometers. You can also swap the units in the converter or open the miles to km page.
Related length conversions
Need a different pair? Open the full length converter to choose any two units.