Convert square feet to acres
Instantly convert square feet to acres using our free online calculator. See the formula and a full reference table below.
1 square foot = 2.2957e-5 acres
Formula:
square feet × 2.2957e-5 = acresSquare foot → Acre reference table
| square feet | acres |
|---|---|
| 1 square foot | 2.2957e-5 acres |
| 2 square feet | 4.5914e-5 acres |
| 5 square feet | 1.1478e-4 acres |
| 10 square feet | 2.2957e-4 acres |
| 25 square feet | 5.7392e-4 acres |
| 50 square feet | 1.1478e-3 acres |
| 100 square feet | 2.2957e-3 acres |
| 250 square feet | 5.7392e-3 acres |
| 500 square feet | 0.0115 acres |
| 1000 square feet | 0.023 acres |
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Frequently asked questions
How many acres are in 1 square foot?
1 square foot equals 2.2957e-5 acres.
What is the formula to convert square feet to acres?
Multiply the number of square feet by 2.2957e-5 to get the equivalent in acres.
Is this converter accurate?
Yes. All conversions use internationally recognized conversion factors with up to 6 decimal places of precision.