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Square feet to acres
This free conversion calculator will convert square feet to acres, i.e. sq ft to ac. Correct conversion between different measurement scales.
The formula is $$$A_{\text{ac}} = 0.000022956841139 A_{\text{sq ft}}$$$, where $$$A_{\text{sq ft}} = 15$$$.
Therefore, $$$A_{\text{ac}} = 0.000344352617079889807162534435$$$.
Answer: $$$15 \text{sq ft} = 0.000344352617079889807162534435 \text{ac}$$$.