km to Nautical Miles Converter
1 km = 0.539957 nautical miles. Used in aviation and maritime route planning.
Formula:1 km = 0.539957 nmi
Quick conversion table — Kilometer to Nautical mile
0.5 km0.269978 nmi
1 km0.539957 nmi
2 km1.0799136 nmi
5 km2.699784 nmi
10 km5.399568 nmi
20 km10.799136 nmi
50 km26.99784 nmi
100 km53.99568 nmi
500 km269.9784 nmi
1,000 km539.9568 nmi
How to convert km to nmi
To convert km to nautical miles, use the formula: 1 km = 0.539957 nmi. Simply enter the value you want to convert in the field above and the result appears instantly. You can also type in the result field to reverse the conversion.
All conversions use precise mathematical constants validated against international SI standards (NIST and ISO 80000). Results are accurate to 8 significant figures.
Related conversions