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🧱 Wall Area Calculator

Calculate net wall area after doors and windows.

Enter your values

Wall length (m)

Wall height (m)

Total openings (m²)

Results are preliminary estimates. Use project-specific specifications, drawings, product data and local requirements for final decisions.

Result

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Calculator guide

How this calculator works

Net wall area = Wall length × height − openings

Formula

Net wall area = Wall length × height − openings

Important limitation

Subtract doors, windows and other openings in the same unit.

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Important: 5iBuild calculations are general estimates. Verify drawings, specifications, product data, local rates and applicable codes or regulations before construction or procurement.