| 1 acre = | 4046856422.4 mm² | 
| 1 acre = | 40468564.224 cm² | 
| 1 acre = | 6272640 sq in | 
| 1 acre = | 404685.642 dm² | 
| 1 acre = | 43560 sq ft | 
| 1 acre = | 4840 sq yd | 
| 1 acre = | 4046.856 m² | 
| 1 acre = | 40.469 a | 
| 1 acre = | 0.405 ha | 
| 1 acre = | 0.00405 km² | 
| 1 acre = | 0.00156 sq mi | 
| 1 acre = | 4046856422.4 mm² | 
| 1 acre = | 40468564.224 cm² | 
| 1 acre = | 6272640 sq in | 
| 1 acre = | 404685.642 dm² | 
| 1 acre = | 43560 sq ft | 
| 1 acre = | 4840 sq yd | 
| 1 acre = | 4046.856 m² | 
| 1 acre = | 40.469 a | 
| 1 acre = | 0.405 ha | 
| 1 acre = | 0.00405 km² | 
| 1 acre = | 0.00156 sq mi |