How to convert kilometers to miles
Multiply the number of kilometers by 0.621371. That is all there is to it, because the factor between kilometers and miles never changes.
Formula
mi = km × 0.621371
Example: 25 kilometers × 0.621371 = 15.5343 miles.
KM to Miles chart
| Kilometers (km) | Miles (mi) |
|---|---|
| 0.5 km | 0.310686 mi |
| 1 km | 0.621371 mi |
| 2 km | 1.2427 mi |
| 3 km | 1.8641 mi |
| 4 km | 2.4855 mi |
| 5 km | 3.1069 mi |
| 6 km | 3.7282 mi |
| 7 km | 4.3496 mi |
| 8 km | 4.971 mi |
| 9 km | 5.5923 mi |
| 10 km | 6.2137 mi |
| 15 km | 9.3206 mi |
| 20 km | 12.4274 mi |
| 25 km | 15.5343 mi |
| 30 km | 18.6411 mi |
| 40 km | 24.8548 mi |
| 50 km | 31.0686 mi |
| 60 km | 37.2823 mi |
| 70 km | 43.496 mi |
| 75 km | 46.6028 mi |
| 80 km | 49.7097 mi |
| 90 km | 55.9234 mi |
| 100 km | 62.1371 mi |
| 250 km | 155.3428 mi |
| 500 km | 310.6856 mi |
| 1,000 km | 621.3712 mi |
Values are rounded to at most four decimals. The converter above shows more digits.
About the units
One kilometer is 1,000 meters.
One mile is 1,609.344 meters.
Need the other direction? Use the Miles to KM converter. For every length unit at once, open the Length Converter.
Frequently asked questions
How many miles are in a kilometer?
There are 0.621371 miles in one kilometer.
How do I convert kilometers to miles?
Multiply the number of kilometers by 0.621371. For example: 25 kilometers × 0.621371 = 15.5343 miles.
What is 40 kilometers in miles?
40 kilometers equals 24.8548 miles.