Convert Miles to Kilometers
Miles to Kilometers conversion table
| Miles (mi) | Kilometers (km) |
|---|---|
| 1 mi | 1.609344 km |
| 2 mi | 3.218688 km |
| 5 mi | 8.04672 km |
| 10 mi | 16.09344 km |
| 25 mi | 40.2336 km |
| 50 mi | 80.4672 km |
| 100 mi | 160.9344 km |
| 200 mi | 321.8688 km |
| 500 mi | 804.672 km |
| 1000 mi | 1609.344 km |
How to convert miles to kilometers
Miles are the standard unit for road distances in the United States and United Kingdom, while kilometers dominate nearly everywhere else. One statute mile is officially defined as exactly 1,609.344 meters, making it significantly longer than a kilometer (1,000 meters).
To convert miles to kilometers, multiply by 1.609344. The formula is: km = miles × 1.609344. For instance, 5 miles × 1.609344 = 8.047 km. A typical US highway speed limit of 65 mph covers about 104.6 km in the same time at the same speed.
Runners and cyclists training with mile-based apps often need this conversion when entering events abroad. Real estate listings in the US quote lot sizes in acres and distances in miles, while European equivalents use hectares and kilometers.
For a quick estimate, multiply miles by 1.6. Three miles is roughly 4.8 km, and a 26.2-mile marathon equals about 42.2 km — the official marathon distance used in Olympic competition.
Related conversions
Frequently asked questions
Multiply the number of miles by 1.609344. Example: 10 miles × 1.609344 = 16.093 km.
A 5K race is 5 kilometers, which equals about 3.11 miles — slightly longer than 3 miles.
No. A nautical mile (1.852 km) is based on Earth's latitude and is used in aviation and maritime navigation. A statute mile (1.609 km) is used for land distances.