About km to mi
Runners use it for 5K, 10K, half marathon (21.1 km), and marathon (42.195 km) distances; drivers for road signs abroad.
To convert, divide the value in kilometers by 1.609344. For example, 21.0975 km = 13.1094 mi.
Kilometers: 1,000 meters. Miles: 5,280 feet, exactly 1.609344 km.
Kilometers to miles conversion table
Formula: mi = km ÷ 1.609344
| Kilometers | Miles |
|---|---|
| 1 km | 0.621371 mi |
| 3 km | 1.86411 mi |
| 5 km | 3.10686 mi |
| 8 km | 4.97097 mi |
| 10 km | 6.21371 mi |
| 15 km | 9.32057 mi |
| 20 km | 12.4274 mi |
| 21.0975 km | 13.1094 mi |
| 25 km | 15.5343 mi |
| 42.195 km | 26.2188 mi |
| 50 km | 31.0686 mi |
| 80 km | 49.7097 mi |
| 100 km | 62.1371 mi |
| 160 km | 99.4194 mi |
| 200 km | 124.274 mi |
Values rounded to 6 significant figures.
How to do it
- 1
Type a value in kilometers in the converter above (it is preset to km → mi).
- 2
Read the result instantly; tap Swap units to convert the other way.
- 3
Use the table for common values or the formula mi = km ÷ 1.609344 to convert by hand.