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 ground = 404,686,000 mm²
1 mm² = 2.4711e-9 ground
例子:
将15 地面转换为方形毫米：
15 ground = 6,070,290,000 mm²
| 地面 | 方形毫米 |
|---|---|
| 0.01 ground | 4,046,860 mm² |
| 0.1 ground | 40,468,600 mm² |
| 1 ground | 404,686,000 mm² |
| 2 ground | 809,372,000 mm² |
| 3 ground | 1,214,058,000 mm² |
| 5 ground | 2,023,430,000 mm² |
| 10 ground | 4,046,860,000 mm² |
| 20 ground | 8,093,720,000 mm² |
| 30 ground | 12,140,580,000 mm² |
| 40 ground | 16,187,440,000 mm² |
| 50 ground | 20,234,300,000 mm² |
| 60 ground | 24,281,160,000 mm² |
| 70 ground | 28,328,020,000 mm² |
| 80 ground | 32,374,880,000 mm² |
| 90 ground | 36,421,740,000 mm² |
| 100 ground | 40,468,600,000 mm² |
| 250 ground | 101,171,500,000 mm² |
| 500 ground | 202,343,000,000 mm² |
| 750 ground | 303,514,500,000 mm² |
| 1000 ground | 404,686,000,000 mm² |
| 10000 ground | 4,046,860,000,000 mm² |
| 100000 ground | 40,468,600,000,000 mm² |
规则