How to use it
- Type the number of Nautical Miles in the first field.
- Read the result in Kilometers. You can also type in the Kilometers field to convert the other way.
- Use the table of common values, or copy the result with one click.
How it works
Formula: km = nmi × 1.852
1 nmi = 1.852 km, and 1 km = 0.539957 nmi.
Results use the exact definitions of both units. The page shows up to 6 decimal places; copy the value for full precision.
Examples
1 nmi in km
1 nmi = 1.852 km, using km = nmi × 1.852.
10 nmi in km
10 nmi = 18.52 km, using km = nmi × 1.852.
100 nmi in km
100 nmi = 185.2 km, using km = nmi × 1.852.
Frequently asked questions
How do I convert Nautical Miles to Kilometers?
Use the formula km = nmi × 1.852. For example, 1 nmi = 1.852 km.
How do I convert Kilometers back to Nautical Miles?
Use the reverse formula nmi = km × 0.5399568. For example, 1 km = 0.539957 nmi.
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.