Nautical Miles to Kilometers
Convert nmi to km quickly with this free online calculator. The page explains the conversion rule, gives practical examples and provides a quick reference table.
1 international nautical mile equals 1.852 kilometers.
How to use the Nautical Miles to Kilometers
- Enter the number you want to convert.
- Confirm the source unit shown beside the input.
- Choose decimal precision if you need more or less detail.
- Read the converted result.
- Copy the result when you need to use it elsewhere.
How the conversion works
1 international nautical mile equals 1.852 kilometers.
For a simple fixed-factor conversion, the calculator multiplies the entered value by the stated factor. Temperature scales and certain specialized tools use their specific mathematical relationship instead.
Common nmi to km conversions
| nmi | km |
|---|---|
| 1 nmi | 1.852 km |
| 2 nmi | 3.704 km |
| 5 nmi | 9.26 km |
| 10 nmi | 18.52 km |
| 20 nmi | 37.04 km |
| 50 nmi | 92.6 km |
Example
For example, entering 1 nmi gives approximately 1.852 km using the rule above. Change the input to test your own value.
Frequently asked questions
Accuracy note: This calculator is a practical reference. For regulated, safety-critical or specialized work, verify the result against the applicable standard.
Page reviewed: August 24, 2026.