Kilometers to Miles Converter
Convert any distance from kilometers to miles using the exact conversion factor: 1 km = 0.621371 miles. This converter also displays meters, nautical miles, and yards for comprehensive distance reference.
The kilometer is the standard unit for measuring longer distances in the metric system, used by most countries worldwide. The mile is the primary distance unit in the United States, United Kingdom, and a few other countries. The exact conversion is: 1 kilometer = 0.621371192 miles (the inverse of 1 mile = 1.609344 km).
Common Kilometer to Mile Conversions:
| Kilometers | Miles | Context |
|---|---|---|
| 1 km | 0.621 mi | Base conversion |
| 5 km | 3.107 mi | 5K race |
| 10 km | 6.214 mi | 10K race |
| 21.1 km | 13.107 mi | Half marathon |
| 42.195 km | 26.219 mi | Marathon |
| 100 km | 62.137 mi | Long drive |
| 160.934 km | 100 mi | Century ride |
| 1000 km | 621.371 mi | Long-haul drive |
Speed Conversion Quick Reference: Since the same factor applies to speed, 100 km/h = 62.14 mph, 120 km/h = 74.56 mph, and 130 km/h = 80.78 mph. This is useful when driving in countries with metric speed limits.