Drywall for a 12 × 20 room
Short answer
A 12 × 20 ft room with an 8-ft ceiling has about 752 sq ft of drywall (walls + ceiling) — roughly 26 sheets of 4×8. Installed with materials and labor that runs about $1,502–$3,212 at standard finish.
Sheets (4×8)
26
Installed cost
$1,502–$3,212
Drywall area
752 sq ft
Joint compound
3 boxes
Drywalling a 12 × 20 room
A 12 × 20 ft room with an 8-ft ceiling has about 752 sq ft of drywall across the walls and ceiling — roughly 26 sheets of 4×8 with 10% waste, plus about 3 boxes of joint compound and 940 ft of tape. Installed at standard finish, plan on about $1,502–$3,212 including labor.
Your exact room
Open the drywall calculatorOther room sizes
Frequently asked questions
How much drywall do I need for a 12 × 20 room?
A 12 × 20 ft room with an 8-ft ceiling is about 752 sq ft of drywall (walls + ceiling), which is roughly 26 sheets of 4×8 including 10% waste — plus about 3 boxes of joint compound and 940 ft of tape.
How much does it cost to drywall a 12 × 20 room?
About $1,502–$3,212 installed at standard finish — materials ($374–$580) plus labor. Ceilings, higher finish levels (Level 5), and texture add to that.
How many drywall sheets are in a 12 × 20 room?
Roughly 26 sheets of 4×8 (32 sq ft each) after 10% waste. Using 4×12 sheets cuts the count and the number of seams to tape.