Acres to Square Miles Converter
1 ac = 0.0015625 mi². Type any value — it converts as you type, right in your browser.
=
0.0015625 mi²
Formula
mi² = ac × 0.0015625
Acres to Square Miles conversion table
| Acres (ac) | Square Miles (mi²) |
|---|---|
| 0.1 | 0.00015625 |
| 0.5 | 0.00078125 |
| 1 | 0.0015625 |
| 2 | 0.003125 |
| 5 | 0.0078125 |
| 10 | 0.015625 |
| 20 | 0.03125 |
| 50 | 0.078125 |
| 100 | 0.15625 |
| 500 | 0.78125 |
| 1,000 | 1.5625 |
FAQ
How many square miles in a acre?
1 ac equals 0.0015625 mi².
How do I convert ac to mi²?
Multiply the acres value by 0.0015625 to get square miles.
What is the reverse conversion (mi² to ac)?
1 mi² equals 640 ac. Use our Square Miles to Acres converter for the other direction.