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 a = 119.599 yd²
1 yd² = 0.008 a
例子:
将15 是转换为方院：
15 a = 1,793.986 yd²
| 是 | 方院 |
|---|---|
| 0.01 a | 1.196 yd² |
| 0.1 a | 11.96 yd² |
| 1 a | 119.599 yd² |
| 2 a | 239.198 yd² |
| 3 a | 358.797 yd² |
| 5 a | 597.995 yd² |
| 10 a | 1,195.991 yd² |
| 20 a | 2,391.981 yd² |
| 30 a | 3,587.972 yd² |
| 40 a | 4,783.962 yd² |
| 50 a | 5,979.953 yd² |
| 60 a | 7,175.943 yd² |
| 70 a | 8,371.934 yd² |
| 80 a | 9,567.924 yd² |
| 90 a | 10,763.915 yd² |
| 100 a | 11,959.906 yd² |
| 250 a | 29,899.764 yd² |
| 500 a | 59,799.528 yd² |
| 750 a | 89,699.292 yd² |
| 1000 a | 119,599.056 yd² |
| 10000 a | 1,195,990.561 yd² |
| 100000 a | 11,959,905.612 yd² |
规则