Drywall Calculator

Sheets for the whole room — walls and ceiling.

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Drywall area412 sq ft

4x8 sheets13

Standard 4x8 sheets cover 32 sq ft. Add 10% for cuts and mistakes.

4x12 sheets mean fewer seams on 8-foot walls, but they need two people to carry. DIYers should stick with 4x8.

1/2-inch for walls and ceilings in homes; 5/8-inch for garages, fire-rated, or commercial. 1/4-inch is for curved surfaces.