Drywall Calculator
Estimate the number of drywall sheets needed for walls and ceilings. Calculate 4x8 and 4x12 sheet requirements with waste allowance for construction and renovation projects.
drywall
sheetrock
walls
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Common Room Sizes
Popular room dimensions for drywall estimation (perimeter × 8' ceiling)
1Wall Dimensions & Sheet Options
Enter total wall perimeter and select sheet size (assumes 8' ceiling)
How it works: Enter room dimensions to calculate wall perimeter. Assumes standard 8' ceiling height. Calculates sheets needed with waste allowance for cuts and off-cuts.
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