Handy Units
Miles to Kilometersmi → km
1 mi = 1.60934 km · 1 km = 0.621371 mi
Formula
km = mi × 1.609344
Example: 13.1 mi = 13.1 × 1.609344 = 21.0824 km
These units differ only by a fixed factor: multiply by it to convert, divide to go back. The factors are exact international definitions (for example 1 inch = 2.54 cm exactly); results are rounded only for display.
Miles and Kilometers chart
| Miles (mi) | Kilometers (km) |
|---|---|
| 1 mi | 1.60934 km |
| 2 mi | 3.21869 km |
| 3 mi | 4.82803 km |
| 5 mi | 8.04672 km |
| 10 mi | 16.0934 km |
| 13.1 mi | 21.0824 km |
| 26.2 mi | 42.1648 km |
| 50 mi | 80.4672 km |
| 100 mi | 160.934 km |
| 500 mi | 804.672 km |
| Kilometers (km) | Miles (mi) |
|---|---|
| 1 km | 0.621371 mi |
| 2 km | 1.24274 mi |
| 3 km | 1.86411 mi |
| 5 km | 3.10686 mi |
| 10 km | 6.21371 mi |
| 21.0975 km | 13.1094 mi |
| 42.195 km | 26.2188 mi |
| 50 km | 31.0686 mi |
| 100 km | 62.1371 mi |
| 200 km | 124.274 mi |
| 500 km | 310.686 mi |
| 1,000 km | 621.371 mi |
About these units
Mile (mi)1 mile = 1.609344 km exactly. Road signs and speed limits in the US and UK use miles.
Kilometer (km)1 kilometer = 1,000 m, used for road distances and running in most countries.
Questions
How many Kilometers are in 1 Miles?
1 mi = 1.60934 km.
How many Miles are in 1 Kilometers?
1 km = 0.621371 mi.
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