How to use it
- Type the number of Kilometers in the first field.
- Read the result in Nautical Miles. You can also type in the Nautical Miles field to convert the other way.
- Use the table of common values, or copy the result with one click.
How it works
Formula: nmi = km × 0.5399568
1 km = 0.539957 nmi, and 1 nmi = 1.852 km.
Results use the exact definitions of both units. The page shows up to 6 decimal places; copy the value for full precision.
Examples
1 km in nmi
1 km = 0.539957 nmi, using nmi = km × 0.5399568.
10 km in nmi
10 km = 5.399568 nmi, using nmi = km × 0.5399568.
100 km in nmi
100 km = 53.99568 nmi, using nmi = km × 0.5399568.
Frequently asked questions
How do I convert Kilometers to Nautical Miles?
Use the formula nmi = km × 0.5399568. For example, 1 km = 0.539957 nmi.
How do I convert Nautical Miles back to Kilometers?
Use the reverse formula km = nmi × 1.852. For example, 1 nmi = 1.852 km.
How accurate is this converter?
It uses the exact legal definitions of the units, so the only rounding is in the number of decimals shown. Copy the result to get the full value.
Privacy
The conversion runs entirely in your browser. Nothing you type is sent anywhere.