To convert square miles to square nautical miles, multiply the value by 0.75512. To go the other way, multiply square nautical miles by 1.32429 to get square miles.
| Square Miles (mi²) | Square Nautical Miles (NM²) |
|---|---|
| 1 mi² | 0.75512 NM² |
| 2 mi² | 1.51024 NM² |
| 5 mi² | 3.7756 NM² |
| 10 mi² | 7.5512 NM² |
| 20 mi² | 15.1024 NM² |
| 50 mi² | 37.756 NM² |
| 100 mi² | 75.512 NM² |
| 500 mi² | 377.56 NM² |
| 1,000 mi² | 755.12 NM² |
Square mile (mi²). A square mile is 640 acres (2.58999 km²).
Square nautical mile (NM²). A square nautical mile is 3,429,904 m², used for sea areas and fishing grounds.
There are 0.75512 square nautical miles in one square mile.
Multiply the number of square miles by 0.75512. For example, 10 square miles equal 7.5512 square nautical miles.
One square nautical mile equals 1.32429 square miles.