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Square feet to hectares
This free conversion calculator will convert square feet to hectares, i.e. sq ft to ha. Correct conversion between different measurement scales.
The formula is $$$A_{\text{ha}} = 0.000009290304 A_{\text{sq ft}}$$$, where $$$A_{\text{sq ft}} = 15$$$.
Therefore, $$$A_{\text{ha}} = 0.00013935456$$$.
Answer: $$$15 \text{sq ft} = 0.00013935456 \text{ha}$$$.