Drywall Calculator
How many sheets of drywall you need
Hanging drywall? Enter the total wall and ceiling area to find how many 4×8 or 4×12 sheets to buy, with waste for cuts.
How many sheets of drywall?
A 4×8 sheet covers 32 ft²; a 4×12 covers 48 ft². Larger sheets mean fewer seams to tape. Add ~10% for cuts around windows, doors and outlets.
Frequently asked questions
How many square feet is a sheet of drywall?
A 4×8 sheet is 32 ft²; a 4×10 is 40 ft²; a 4×12 is 48 ft².
Should I use 4x8 or 4x12 drywall?
4×12 sheets create fewer seams (less taping) but are heavier and harder to handle in tight spaces.