How to use the miles to kilometers converter
Enter miles and multiply by 1.609344 to convert to kilometers.
Miles to kilometers
One international mile equals exactly 1,609.344 meters, or 1.609344 kilometers.
Example: Henry converts a running distance
Henry plans a 10-mile route. Using 1 international mile = 1.609344 kilometers, the route is 16.09344 kilometers.
A nautical mile is a different unit. This converter uses ordinary international statute miles, as used in road and running distances.
Use the factor for an international mile
Multiply miles by exactly 1.609344 to get kilometers. A 5-mile route is 8.04672 km, usually shown as 8.05 km for a quick distance reference.
This tool uses ordinary land miles. Nautical miles use a different definition and should not be entered as land miles.
Common mile-to-kilometer conversions
Multiply by exactly 1.609344. These are international land miles, not nautical miles.
| Miles | Kilometers |
|---|---|
| 1 | 1.6093 |
| 3 | 4.828 |
| 5 | 8.0467 |
| 10 | 16.0934 |
| 13.1 | 21.0824 |
| 26.2 | 42.1648 |
| 50 | 80.4672 |
| 100 | 160.9344 |
Assumptions and limitations
What the estimate assumes
Displayed decimals may be rounded.
Sources and reference material
Miles to Kilometers Converter FAQs
How many kilometers are in one mile?
Exactly 1.609344 kilometers.
What is 5 miles in kilometers?
About 8.05 kilometers.
How long is a marathon in kilometers?
A standard marathon is about 42.195 kilometers, which is about 26.2 miles.
Does the converter show meters?
Yes.
Exact unit conversion; displayed decimals may be rounded for readability.