Acres to Square Miles
1 acre = 0.001562500 square miles
Converter Calculator
1 Acres = 0.001563 Square Miles
Explanation
Divide acres by 640 because one square mile equals exactly 640 acres.
Common Conversion Values
| Acres | Square Miles |
|---|---|
| 0.1 | 0.000156 |
| 0.25 | 0.000391 |
| 0.5 | 0.000781 |
| 1 | 0.001563 |
| 2 | 0.003125 |
| 5 | 0.007813 |
| 10 | 0.015625 |
| 25 | 0.039063 |
| 50 | 0.078125 |
| 100 | 0.15625 |
How to use this hub
- Choose a converter family.
- If converting to/from grams from a volume unit, select an ingredient.
- For pure unit changes (volume↔volume or weight↔weight), use universal conversions.
If your conversion includes grams, you’ll choose an ingredient; otherwise you won’t.
Frequently Asked Questions
What defines this conversion?
The ratio follows exact international area definitions.
Is the reverse conversion available?
Yes. Use the switch button or open the Square Miles to Acres hub to view the mirror conversion.
Can I use decimals?
Yes. Decimal inputs are supported so fractional area values remain precise in calculator output.