Miles to Kilometers Converter
Convert any distance from miles to kilometers using the exact conversion factor: 1 mile = 1.609344 km. This converter also displays meters, nautical miles, and feet for comprehensive distance reference.
The mile is a unit of distance in the imperial and US customary systems, primarily used in the United States, United Kingdom, and a few other countries. The kilometer is the standard metric unit for longer distances used worldwide. The exact conversion is: 1 mile = 1.609344 kilometers (based on the international definition where 1 mile = 5280 feet and 1 foot = 0.3048 meters exactly).
Common Mile to Kilometer Conversions
| Miles | Kilometers | Context |
|---|---|---|
| 0.5 mi | 0.805 km | Half mile |
| 1 mi | 1.609 km | Base conversion |
| 3.1 mi | 4.989 km | 5K run |
| 5 mi | 8.047 km | Short drive |
| 6.2 mi | 9.978 km | 10K run |
| 13.1 mi | 21.082 km | Half marathon |
| 26.2 mi | 42.165 km | Marathon |
| 100 mi | 160.934 km | Long drive |
Fibonacci Shortcut: Consecutive Fibonacci numbers approximate the mile-to-km ratio (since 1.618 is close to 1.609). So 5 miles ≈ 8 km, 8 miles ≈ 13 km, 13 miles ≈ 21 km. This trick gives surprisingly accurate results.