Convert Square Nautical Miles to Feddan
Convert Square Nautical Miles (nmi²) to Feddan (fed) instantly and accurately.
Conversion Formula
fed = nmi² × 816.6438095
About Square Nautical Miles
A square nautical mile (nmi²) equals the area of a square with sides of one nautical mile (1,852 m), giving approximately 3,429,904 m² - about 343 hectares. This unit is used in maritime and aviation contexts to describe patrol zones, territorial extents, and maritime boundaries. Exclusive Economic Zones (EEZs) and military operating areas are often quoted in square nautical miles. One square nautical mile is approximately 1.32 square statute miles.
About Feddan
A feddan (فدان) is the primary unit of land area in Egypt, Sudan, and parts of the Arab world, equal to approximately 4,200 m² (1.038 acres or 0.42 hectares). Its name derives from the Arabic word for 'yoke of oxen,' reflecting its agricultural origins - similar to the British acre. Egypt reports its cultivated farmland in millions of feddan; the fertile Nile Delta that feeds Egypt is measured in feddan. The feddan is subdivided into 24 kirats (each ~175 m²). It remains the legal standard for agricultural land registration in Egypt and Sudan.
Quick Reference Table
| Square Nautical Miles (nmi²) | Feddan (fed) |
|---|---|
| 1 nmi² | 816.644 fed |
| 2 nmi² | 1633.29 fed |
| 5 nmi² | 4083.22 fed |
| 10 nmi² | 8166.44 fed |
| 25 nmi² | 20416.1 fed |
| 50 nmi² | 40832.2 fed |
| 100 nmi² | 81664.4 fed |