Tulnest

Nautical Miles to Kilometers

1 Nautical Mile = 1.852 Kilometers

Common amounts:

About the nautical mile to kilometer conversion

The nautical mile (nmi) and the kilometer (km) are both units of length. Convert between metric and imperial length units — millimeters, meters, kilometers, inches, feet, yards, miles and nautical miles.

To convert nautical miles to kilometers, multiply by 1.852. To go back, multiply kilometers by 0.53996.

Reference table

Nautical MilesKilometers
1 nmi1.852 km
5 nmi9.26 km
10 nmi18.52 km
25 nmi46.3 km
50 nmi92.6 km
100 nmi185.2 km

Need the reverse conversion? Convert Kilometers to Nautical Miles.

Convert Nautical Mile to other length units

Frequently asked questions

How many kilometers is 1 nautical mile?
1 Nautical Mile equals 1.852 Kilometers. To go the other way, 1 Kilometer equals 0.53996 Nautical Miles.
What's the formula to convert nautical miles to kilometers?
Multiply the number of nautical miles by 1.852 to get kilometers. For example, 10 nautical miles × 1.852 = 18.52 kilometers.
Does this converter handle decimals and very large numbers?
Yes. Type any real number, including decimals or values in the trillions. Math runs entirely in your browser — no server round-trip, no sign-up, and nothing to install.