Drywall Sheets Calculator
If you already know your total square footage, this returns how many 4×8 sheets to buy before cuts.
Step 1: Units
Step 2
Enter project measurements
Use decimals if needed (e.g. 3.5).
Step 3
How to use this calculator
Enter wall and ceiling square footage as one combined area, or run rooms separately and sum.
What the math is doing
Sheets = area ÷ 32 sq ft per 4×8 sheet, scaled by waste.
Frequently asked questions
4×12 sheets?
Divide area by 48 instead manually; this preset is 4×8.
Ceilings horizontal?
Yes if you can lift sheets; otherwise factor butt strips.
Fire tape?
Type X and fire tape are separate specs.
Windows/doors subtracted?
Use net area for better accuracy.