Convert Acre to Square mile
1 Acre = 0.0015625 Square mile · 1 Square mile = 640 Acre
Conversion formula
1 ac = 0.0015625 mi² → ac = 0.0015625 mi²
The reverse direction: 1 mi² = 640 ac.
Quick reference
| ac | mi² |
|---|---|
| 1 ac | 0.0015625 mi² |
| 2 ac | 0.003125 mi² |
| 3 ac | 0.0046875 mi² |
| 5 ac | 0.0078125 mi² |
| 10 ac | 0.015625 mi² |
| 20 ac | 0.03125 mi² |
| 25 ac | 0.0390625 mi² |
| 50 ac | 0.078125 mi² |
| 100 ac | 0.15625 mi² |
| 250 ac | 0.390625 mi² |
| 500 ac | 0.78125 mi² |
| 1,000 ac | 1.5625 mi² |
About these units
The Acre (ac) and the Square mile (mi²) are both units of area. Under the standard definition, one ac equals exactly 0.0015625 mi². This category's SI base unit is the square metre.