Formula: value × 0.6213711922
How to Convert Kilometers to Miles
1 Kilometers = 0.621371 Miles
1 Miles = 1.6093 Kilometers
Example: convert 15 Kilometers to Miles:
15 km = 15 × 0.621371 mi = 9.3206 mi
Conversion Table
| Kilometers | Miles |
|---|---|
| 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 |
About KM to Miles Conversion
Kilometres to miles is the go-to conversion for road distances and car speeds when travelling between metric and imperial countries, or reading US GPS and maps.
Common use cases
- Road trip distances (UK and US use miles)
- Car speedometer readings abroad
- Marathon and running distances
- Fuel efficiency (km/L vs mpg calculations)
Common km to mi Reference Values
| Kilometers (km) | Miles (mi) |
|---|---|
| 1 km | 0.621 mi |
| 10 km | 6.21 mi |
| 42 km | 26.10 mi |
| 100 km | 62.14 mi |
Quick Tip
Quick rule: multiply km by 0.6 for a rough mile estimate. A 5 km run ≈ 3.1 miles; a marathon (42.2 km) ≈ 26.2 miles.
km to mi Formula
Use the following formula to convert Kilometers to Miles:
mi = value × 0.6213711922