# 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: $15 \text{sq ft} = 0.00013935456 \text{ha}$.