Drywall Calculator
Updated Formulas shown
A 14 × 12 ft room with 8 ft walls and a ceiling needs about 19 sheets of 4×8 with 10% waste, about 600 screws and 5 gallons of joint compound.
Drywall sheets
19
544 ft² to cover
- Screws (≈ 32 per sheet)
- 608
- Joint compound
- 5.2 gal
- Paper tape
- 202 ft
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Frequently asked questions
4x8 or 4x12 drywall?
4×12 sheets mean fewer seams on long walls and ceilings but weigh ~80 lb; 4×8 sheets are easier to carry and fit in most cars.
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Estimates only. Check quantities with your supplier or contractor before ordering.