acre to square mile
Live acre (ac) to square mile (mi²) converter. Plus a 10-value reference table and FAQs.
Conversion table
Ten sample values from acre to square mile. Use the converter above for arbitrary values.
| acre (ac) | → | square mile (mi²) |
|---|---|---|
| 0.001 ac | → | 1.5625e-6 mi² |
| 0.01 ac | → | 1.5625e-5 mi² |
| 0.1 ac | → | 0.000156 mi² |
| 0.5 ac | → | 0.000781 mi² |
| 1 ac | → | 0.001563 mi² |
| 2 ac | → | 0.003125 mi² |
| 5 ac | → | 0.007813 mi² |
| 10 ac | → | 0.015625 mi² |
| 100 ac | → | 0.15625 mi² |
| 1,000 ac | → | 1.5625 mi² |
About the acre
4,047 m². US farmland and lot size.
About the square mile
640 acres. US county/area units.
Frequently asked questions
Frequently Asked Questions
How do I convert acre to square mile?
Multiply the acre value by 0.001563 to get it in square mile. For example, 10 ac = 0.0156 mi².
What is 1 ac in mi²?
1 ac = 0.001563 mi².
What is 100 ac in mi²?
100 ac = 0.1563 mi².
What is the formula?
Linear: multiply by 0.001563 (the unit factor ratio).
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#9Convert square kilometer to acre
#10Convert square centimeter to acre
#11Convert hectare to acre
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#13Convert square inch to acre
#14Convert square yard to acre