Drywall for a 12 × 12 Room
A 12 × 12 ft room with 8 ft ceilings needs about 19 sheets of 4 × 8 ft drywall for the walls and ceiling (528 sq ft ≈ 49.05 m²).
Adjust the numbers
Pre-filled for a 12 × 12 ft room with 8 ft ceilings — change sheet size or ceiling, or switch to metric.
Length, width & wall height
Estimate only. These figures help you plan how much to buy — they are not engineering or structural advice. Actual needs vary with site conditions, waste, and installation method, so order a little extra and confirm final quantities with your supplier or contractor before you buy or start the job.
Other room sizes
Frequently asked questions
How many sheets of drywall do I need for a 12x12 room?
A 12 × 12 ft room with 8 ft ceilings has about 528 sq ft of wall and ceiling. With 10% waste and 4 × 8 ft sheets (32 sq ft), that's about 19 sheets.
How much joint compound and tape for a 12x12 room?
Roughly 6 gallons of ready-mix compound, 212 ft of tape, and about 528 screws. These are planning estimates — buy a little extra.
Should I use 4x8 or 4x12 drywall sheets?
4 × 8 ft sheets are easiest for DIY. Larger 4 × 12 sheets mean fewer seams to finish but are heavy and harder to handle. Switch sheet size in the calculator to compare.