Convert acres to square miles quickly and accurately using this free online converter
Used for land area, room size, and real estate measurements.
💡 Square meters are standard internationally; square feet are used in the US.
mi² = ac × 0.0015625
Example: 1 ac × 0.0015625 = 0.0015625 mi²
Use square meters internationally; square feet for US properties.
Common uses: real estate, land measurement, and floor plans.
How do I convert ac to mi²?
Multiply the value in Acres by 0.0015625. For example: 10 ac = 0.015625 mi².
When should I use Square Miles instead of Acres?
Use square meters internationally; square feet for US properties.
Is this converter accurate?
Yes. We use internationally recognized conversion factors, updated to current standards.
| Acres (ac) | Square Miles (mi²) |
|---|---|
| 1 ac | 0.0015625 mi² |
| 5 ac | 0.0078125 mi² |
| 10 ac | 0.015625 mi² |
| 25 ac | 0.039063 mi² |
| 50 ac | 0.078125 mi² |
| 100 ac | 0.15625 mi² |
| 500 ac | 0.78125 mi² |
| 1000 ac | 1.5625 mi² |