How it works
Sum wall area and optional ceiling, subtract openings, then divide by sheet area with waste.
Simple example
Four 12 × 8 ft walls total 384 sq ft before openings.
Lumber & Construction
Drywall Sheet Calculator
Estimate drywall sheets for walls and ceiling.
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Common question
Will the sheets fit exactly?
No. Layout, seam placement and cuts can change the count.
This is a planning estimate. Check product instructions, dimensions and site conditions before purchasing or building.