Convert square mile (mi²) to acre (ac) instantly
| Square Miles (mi²) | Acres (ac) |
|---|---|
| 0.001 mi² | 0.6400023722 ac |
| 0.01 mi² | 6.400023722 ac |
| 0.1 mi² | 64.00023722 ac |
| 0.5 mi² | 320.0011861 ac |
| 1 mi² | 640.0023722 ac |
| 2 mi² | 1280.004744 ac |
| 5 mi² | 3200.011861 ac |
| 10 mi² | 6400.023722 ac |
| 20 mi² | 12800.04744 ac |
| 50 mi² | 32000.11861 ac |
| 100 mi² | 64000.23722 ac |
| 200 mi² | 128000.4744 ac |
| 500 mi² | 320001.1861 ac |
| 1000 mi² | 640002.3722 ac |
Area measures two-dimensional space. The hectare (10,000 m²) is used for land. One acre = 4046.86 m². One square mile = 640 acres = 2.59 km².
Formula: ac = mi² × 640.0023722