Kilometer vs Mile: What's the Difference?
| Property | Kilometer (km) | Mile (mi) |
|---|---|---|
| Symbol | km | mi |
| System | Metric (SI) | Imperial |
| Category | length | length |
| Used in | Worldwide | United States, United Kingdom |
| Conversion | 1 km = 0.621371 mi | |
Definitions
Mile (mi)
The mile (symbol: mi) is a unit of length in the British imperial and United States customary systems of measurement. One mile is defined as exactly 1,760 yards, or 5,280 feet, or 63,360 inches. In metric terms, the international mile is exactly 1.609344 kilometers, a value that follows from the 1959 definition of the yard as 0.9144 meters.
Learn more →FAQ
What is the difference between Kilometer and Mile?
Kilometer (km) belongs to the metric system. Mile (mi) belongs to the imperial system. 1 km = 0.621371 mi.
How to convert Kilometer to Mile?
Multiply the value in Kilometers by 0.621371. Formula: mi = km × 0.621371.
When should I use Kilometer vs Mile?
It depends on context. Kilometer is used in Worldwide. Mile is used in United States, United Kingdom.