km to nautical miles Converter
1 km = 0.53996 nmi. 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.
Km and nautical miles 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 nautical miles and round only at the final step.
How to convert km to nautical miles
- Enter the value in km.
- Select km as the source unit.
- Select nautical miles as the target unit.
- Read or copy the result.
km to nautical miles chart
| km | nautical miles |
|---|---|
| 1 km | 0.53996 nmi |
| 2 km | 1.0799 nmi |
| 5 km | 2.6998 nmi |
| 10 km | 5.3996 nmi |
| 25 km | 13.4989 nmi |
| 50 km | 26.9978 nmi |
| 100 km | 53.9957 nmi |
Formula
nmi = km x 0.539956803456
Example: 1 km = 0.53996 nmi.
Source
SI meter definitions and exact international inch, foot, yard, and mile relationships.
Common questions
How do I convert km to nautical miles?
Enter the km value in the converter, or multiply by the factor shown in the formula. 1 km = 0.53996 nmi.
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.