kilometre to nautical mile
1 kilometre equals 0.539957 nautical mile, and 1 nautical mile equals 1.852 kilometre.
Conversion formula
NM = km × 0.539957
To convert kilometre to nautical mile, multiply the value by 0.539957.
Conversion table
| 1 km | 0.539957 NM |
|---|---|
| 2 km | 1.07991 NM |
| 5 km | 2.69978 NM |
| 10 km | 5.39957 NM |
| 25 km | 13.4989 NM |
| 50 km | 26.9978 NM |
| 100 km | 53.9957 NM |
| 500 km | 269.978 NM |
| 1000 km | 539.957 NM |
Reverse conversion table
| 1 NM | 1.852 km |
|---|---|
| 2 NM | 3.704 km |
| 5 NM | 9.26 km |
| 10 NM | 18.52 km |
| 25 NM | 46.3 km |
| 50 NM | 92.6 km |
| 100 NM | 185.2 km |
| 500 NM | 926 km |
| 1000 NM | 1852 km |
Key facts
| 1 kilometre | 0.539957 nautical mile |
|---|---|
| 1 nautical mile | 1.852 kilometre |
Frequently asked questions
How do I convert kilometre to nautical mile?
Multiply the kilometre value by 0.539957 to get nautical mile. For example, 10 kilometre = 5.39957 nautical mile.
How do I convert nautical mile back to kilometre?
Divide the nautical mile value by 0.539957 (equivalently, multiply by 1.852) to get kilometre.
Reverse conversion
Printable A4 conversion cheat sheet — see the Downloads page