nautical miles to km Converter
1 nmi = 1.852 km. Enter a value. The result updates immediately.
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Accuracy and rounding
Use the decimal result for specifications. For tape measures, round only after you know the tolerance you need.
Nautical miles and km are tied back to the SI meter through fixed definitions, so the underlying conversion factor is stable.
For cutting, fitting, drawings, and product specs, keep extra decimals in km and round only at the final step.
How to convert nautical miles to km
- Enter the value in nautical miles.
- Select nautical miles as the source unit.
- Select km as the target unit.
- Read or copy the result.
nautical miles to km chart
| nautical miles | km |
|---|---|
| 1 nmi | 1.852 km |
| 2 nmi | 3.704 km |
| 5 nmi | 9.26 km |
| 10 nmi | 18.52 km |
| 25 nmi | 46.3 km |
| 50 nmi | 92.6 km |
| 100 nmi | 185.2 km |
Formula
km = nmi x 1.852
Example: 1 nmi = 1.852 km.
Source
SI meter definitions and exact international inch, foot, yard, and mile relationships.
Common questions
How do I convert nautical miles to km?
Enter the nautical miles value in the converter, or multiply by the factor shown in the formula. 1 nmi = 1.852 km.
What should I watch out for?
Round only after converting if the measurement is used for cutting, fitting, or specifications.
Where does this length conversion come from?
SI meter definitions and exact international inch, foot, yard, and mile relationships. ConverterBase uses stable definitions and fixed conversion factors, not live or rounded market data.