Drywall Calculator

Estimate how many drywall sheets and materials you need for a room.

Room Length (ft)

Room Width (ft)

Ceiling Height (ft)

Number of Doors

Number of Windows

Waste Factor (%)

Sheet Size

Drywall Sheets

sheets needed

Total Area (with waste)

937 ft²

Wall Area

630 ft²

Ceiling Area

300 ft²

Net Area

852 ft²

Screws (est.)

960

Joint Compound

29 gal

Joint Tape

3 roll(s)

Assumes standard 3×7 ft doors and 3×4 ft windows. Compound estimate is for 3 coats. Always add 10–15% waste to account for cuts and mistakes.