| 1 acre |
43560 square feet 4046.9 square meters 0.40469 hectares |
| 1 circular mil | 0.000007854 square inches |
| 1 hectare |
2.4710 acres 107639 square feet 10000 square meters |
| 1 square centimeter | 0.1550 square inches |
| 1 square foot |
0.000022956 acres 0.092903 square meters |
| 1 square inch | 6.4516 square centimeters |
| 1 square kilometer |
247.10 acres 0.38610 square miles |
| 1 square meter |
0.00024710 acres 10.764 square feet |
| 1 square mile |
640 acres 2.590 square kilometers |
| 1 square yard |
0.00020661 acres 0.83613 square meters |