acres to square miles
Convert acre to square mile — instant, free, with the formula shown.
1 ac=0.001563 mi²
How to convert acre to square mile
To convert acre to square mile, multiply by 0.0015625:
mi² = ac × 0.0015625
For example, 10 ac × 0.001563 = 0.015625 mi².
ac to mi² conversion table
| acres (ac) | square miles (mi²) |
|---|---|
| 1 ac | 0.001563 mi² |
| 2 ac | 0.003125 mi² |
| 5 ac | 0.007813 mi² |
| 10 ac | 0.015625 mi² |
| 25 ac | 0.039063 mi² |
| 50 ac | 0.078125 mi² |
| 100 ac | 0.15625 mi² |
| 250 ac | 0.390625 mi² |
| 500 ac | 0.78125 mi² |
| 1000 ac | 1.5625 mi² |
Other acre conversions
Convert to square mile from another unit
ac to mi² — frequently asked
How many square miles are in 1 acre?
1 acre = 0.001563 square miles (ac × 0.001563 = mi²).
What is the formula to convert acre to square mile?
Multiply your acre value by 0.0015625 to get square mile.
How do I convert 10 acres to square miles?
10 ac = 0.015625 mi². For 100 ac the answer is 0.15625 mi². Use the calculator on this page for any other value.