面積は、2次元の表面または形状の程度の尺度です。通常、平方メートル（m²）などの正方形ユニットで測定されます。
1 nmi² = 8,129.76 ground
1 ground = 0 nmi²
例:
15 正方形の航海マイルを地面に変換します。
15 nmi² = 121,946.398 ground
| 正方形の航海マイル | 地面 |
|---|---|
| 0.01 nmi² | 81.298 ground |
| 0.1 nmi² | 812.976 ground |
| 1 nmi² | 8,129.76 ground |
| 2 nmi² | 16,259.52 ground |
| 3 nmi² | 24,389.28 ground |
| 5 nmi² | 40,648.799 ground |
| 10 nmi² | 81,297.599 ground |
| 20 nmi² | 162,595.197 ground |
| 30 nmi² | 243,892.796 ground |
| 40 nmi² | 325,190.395 ground |
| 50 nmi² | 406,487.993 ground |
| 60 nmi² | 487,785.592 ground |
| 70 nmi² | 569,083.19 ground |
| 80 nmi² | 650,380.789 ground |
| 90 nmi² | 731,678.388 ground |
| 100 nmi² | 812,975.986 ground |
| 250 nmi² | 2,032,439.966 ground |
| 500 nmi² | 4,064,879.932 ground |
| 750 nmi² | 6,097,319.897 ground |
| 1000 nmi² | 8,129,759.863 ground |
| 10000 nmi² | 81,297,598.632 ground |
| 100000 nmi² | 812,975,986.32 ground |
Inayam