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Wall Square Footage Calculator
Calculate gross and net wall square footage for painting and drywall
Wall Area Standard: Gross wall area is calculated as $\text{Total Wall Length} \times \text{Wall Height}$. Net area subtracts deductions for doors and windows.
Wall Dimensions & Deductions
Calculation Results
⚠️ Standard deductions assume an average door size (~21 sq ft) and window size (~15 sq ft). For custom architectural openings, subtract exact measurements directly.