Drywall Calculator
Area ÷ sheet coverage, plus waste, rounded up.
Area mode
Sheet size
Area
352.0 sq ft
With waste
387.2 sq ft
Sheets needed
13
32 sq ft each
What is this tool?
Standard US drywall sheets are commonly 4×8 (32 sq ft) or 4×12 (48 sq ft). Divide your wall or ceiling area by sheet area, add waste for cuts and openings, and round up. Layout and stud spacing can change the practical sheet count.
How to use it
- Enter area or room dimensions.
- Choose 4×8 or 4×12 sheets and a waste percentage.
- Buy the ceiling sheet count and plan seams carefully.
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