Kilometers to Miles Converter
Convert kilometers to miles instantly. Perfect for road trips, running, and international travel. Includes conversion chart and simple formula.
Formula
miles = km × 0.621371
10 km × 0.621371 = 6.2137 miles
About Kilometers to Miles Conversion
The kilometer (km) is the standard unit of distance in the metric system, used in most countries for road signs, speed limits, and geographic distances. The mile is an imperial unit used primarily in the US and UK. One kilometer equals approximately 0.6214 miles.
Converting km to miles is common when driving in the US after using navigation set to metric, interpreting European or Asian road signs, understanding athletic distances (a 10K race is 6.21 miles), or comparing international speed limits. For a quick estimate, multiply the km value by 6 and drop the last digit. For example, 100 km × 6 = 600, drop last digit = 60 miles (actual: 62.1 miles).
KM to Miles Conversion Table
| Kilometers | Miles | Context |
|---|---|---|
| 1 km | 0.62 mi | ~10 min walk |
| 5 km | 3.11 mi | 5K race |
| 10 km | 6.21 mi | 10K race |
| 21.1 km | 13.11 mi | Half marathon |
| 42.2 km | 26.22 mi | Full marathon |
| 50 km | 31.07 mi | Ultra distance |
| 100 km | 62.14 mi | ~1 hr drive |
| 200 km | 124.27 mi | ~2 hr drive |
| 500 km | 310.69 mi | Road trip |
| 1000 km | 621.37 mi | Long journey |