Convert Kilometers to Miles
1 km = 0.621371 mi
Conversion Table
| kilometers (km) | miles (mi) |
|---|---|
| 0.5 | 0.310686 |
| 1 | 0.621371 |
| 2 | 1.2427 |
| 5 | 3.1069 |
| 10 | 6.2137 |
| 25 | 15.5343 |
| 50 | 31.0686 |
| 100 | 62.1371 |
| 250 | 155.34 |
| 500 | 310.69 |
| 1000 | 621.37 |
How to Convert kilometers to miles
To convert kilometers to miles, multiply the value by the conversion factor:
For example: 10 km = 6.2137 mi
About kilometers and miles
The Conversion Formula
To convert kilometers to miles, multiply the value by the conversion factor: 1 km = 0.621371 mi. For a worked example, suppose you need to convert 25 km to miles: 25 × 0.621371 = 15.5343 mi. To convert in the opposite direction, divide by 0.621371, or equivalently multiply by 1.6093.
About kilometers
The kilometer (km) is the standard unit for measuring geographic distances in most of the world. Adopted alongside the original metric system in France, it quickly replaced traditional units like leagues and versts. It is exactly 1,000 meters. The prefix 'kilo-' comes from the Greek word 'chilioi', meaning thousand. Today, it is used for everything from road signs and speed limits to calculating orbital altitudes of satellites. kilometers are commonly used in Road signs and maps, Vehicle odometers, Long-distance running (5k, 10k), and Astronomy (planetary radii), Flight altitudes (in metric countries).
The Golden Gate Bridge spans about 2.7 kilometers.
About miles
The mile has a storied past, originating from the Roman 'mille passus'—literally 'a thousand paces,' where a pace was two steps. The modern 'statute mile' of 5,280 feet was codified during the reign of Queen Elizabeth I in 1593 to align with agricultural surveys (furlongs). While most of the world has switched to kilometers, the mile remains the king of the road in the United States and United Kingdom. miles are commonly used in US and UK highway distances, Speed limits (mph), Frequent flyer programs, and Running (the 4-minute mile), Railway trackage.
Walking at a brisk pace, you can cover a mile in about 15-20 minutes.
When Would You Convert kilometers to miles?
Converting between kilometers and miles is one of the most common length conversions. You might need this conversion when working with international specifications, following instructions written for a different measurement system, or comparing values across different standards. Having the conversion factor (1 km = 0.621371 mi) memorized or bookmarked can save time in professional and everyday contexts alike.