| 1 a = | 100000000 mm² |
| 1 a = | 1000000 cm² |
| 1 a = | 155000.310 sq in |
| 1 a = | 10000 dm² |
| 1 a = | 1076.391 sq ft |
| 1 a = | 119.599 sq yd |
| 1 a = | 100 m² |
| 1 a = | 0.0247 acre |
| 1 a = | 0.01 ha |
| 1 a = | 0.0001 km² |
| 1 a = | 0.0000386 sq mi |
| 1 a = | 100000000 mm² |
| 1 a = | 1000000 cm² |
| 1 a = | 155000.310 sq in |
| 1 a = | 10000 dm² |
| 1 a = | 1076.391 sq ft |
| 1 a = | 119.599 sq yd |
| 1 a = | 100 m² |
| 1 a = | 0.0247 acre |
| 1 a = | 0.01 ha |
| 1 a = | 0.0001 km² |
| 1 a = | 0.0000386 sq mi |