面积是二维表面或形状范围的度量。它通常以平方米（例如平方米（平方米））为单位进行测量。
1 rod² = 0.063 ground
1 ground = 16 rod²
例子:
将15 方杆转换为地面：
15 rod² = 0.938 ground
| 方杆 | 地面 |
|---|---|
| 0.01 rod² | 0.001 ground |
| 0.1 rod² | 0.006 ground |
| 1 rod² | 0.063 ground |
| 2 rod² | 0.125 ground |
| 3 rod² | 0.188 ground |
| 5 rod² | 0.313 ground |
| 10 rod² | 0.625 ground |
| 20 rod² | 1.25 ground |
| 30 rod² | 1.875 ground |
| 40 rod² | 2.5 ground |
| 50 rod² | 3.125 ground |
| 60 rod² | 3.75 ground |
| 70 rod² | 4.375 ground |
| 80 rod² | 5 ground |
| 90 rod² | 5.625 ground |
| 100 rod² | 6.25 ground |
| 250 rod² | 15.625 ground |
| 500 rod² | 31.25 ground |
| 750 rod² | 46.875 ground |
| 1000 rod² | 62.5 ground |
| 10000 rod² | 625.001 ground |
| 100000 rod² | 6,250.006 ground |
规则