Drywall for a 20x20 Room: Sheets Needed
A 20 × 20 ft room with 8 ft walls has 640 sq ft of wall and 400 sq ft of ceiling. Adding 10% for cuts, you need 36 sheets of 4x8 drywall. Change the sheet size or wall height below.
36 sheets of 4x8 drywall
- Sheets
- 36 × 4x8 ft
- Area
- 1,040 sq ft (walls + ceiling)
- Screws
- about 1,100
- Joint tape
- about 385 ft
- Includes 10% extra for cuts. Doors and windows are not subtracted; the offcuts cover waste.
- Rules of thumb: about 1 screw per sq ft and 370 ft of tape per 1,000 sq ft.
Frequently asked questions
How many sheets of drywall for a 20x20 room?
36 sheets of 4x8 drywall, including the ceiling and 10% extra.
Developers: GET /api/drywall-calculator returns JSON.