Kilometers to miles formula
miles = kilometers × 0.621371
1 km = 0.621371 mi
Kilometers to miles conversion table
| Kilometers (km) | Miles (mi) |
|---|---|
| 1 km | 0.62137 mi |
| 2 km | 1.2427 mi |
| 3 km | 1.8641 mi |
| 5 km | 3.1069 mi |
| 10 km | 6.2137 mi |
| 15 km | 9.3206 mi |
| 20 km | 12.427 mi |
| 21.1 km | 13.111 mi |
| 25 km | 15.534 mi |
| 30 km | 18.641 mi |
| 40 km | 24.855 mi |
| 42.2 km | 26.222 mi |
| 50 km | 31.069 mi |
| 60 km | 37.282 mi |
| 80 km | 49.71 mi |
| 100 km | 62.137 mi |
| 120 km | 74.565 mi |
| 150 km | 93.206 mi |
| 200 km | 124.27 mi |
| 500 km | 310.69 mi |
How to use the KM to Miles tool
3 simple steps · under a minute
-
Enter kilometers
Type the number of kilometers in the first box.
-
Read the miles
The result appears instantly, rounded to a sensible number of decimals.
-
Convert back
Type in the second box to convert miles back to kilometers.
About KM to Miles converter
One kilometer is about 0.621371 miles, so multiply kilometers by 0.621371 to get miles. For example, 10 km × 0.6214 = 6.21 miles.
Runners use this to convert race distances (a 5K is 3.1 miles, a marathon is 42.2 km or 26.2 miles), and drivers use it for speed limits and distances abroad.
Instant results
Converts as you type, in both directions.
Formula included
See exactly how kilometers are converted to miles.
Handy table
A ready-made conversion table for the most common values.
Frequently asked questions
How many miles is 1 km?
1 kilometer is 0.6214 miles.
How do I convert km to miles?
Multiply by 0.6214. A quick estimate: multiply by 6 and divide by 10.
How many miles is a 5K run?
A 5K is 3.11 miles; a 10K is 6.21 miles.
How many miles is a marathon?
A marathon is 42.195 km, or 26.2 miles.