How much drywall do you need?
Estimate the number of drywall sheets for your next project. Enter room dimensions, doors, and windows for an instant count.
Sheets Needed
18
Wall Area352
Ceiling144
Less Openings-35
Waste+10%
461 sq ft · 18 sheets · 4×8 ft
How to Use the Drywall Calculator
1
Measure Room
Measure the length, width, and height of your room in feet. Standard ceilings are 8 feet high.
2
Choose Sheet Size
Select your drywall sheet size. Standard 4×8 sheets work for most rooms. 4×12 reduces seams on long walls.
3
Add Openings
Enter the number of doors and windows. Each door subtracts 20 sq ft and each window subtracts 15 sq ft.
4
Get Count
See the exact number of sheets, square footage breakdown, and total material cost for your project.