Ceiling Drywall Calculator
Flat ceiling area divided by 32 sf per sheet.
Step 1: Units
Step 2
Enter project measurements
Use decimals if needed (e.g. 3.5).
Step 3
How to use this calculator
Ceiling footprint; slopes increase waste.
What the math is doing
Sheets = ceil((sf × (1+waste)) ÷ 32).
Frequently asked questions
Vaulted?
Measure each plane.
Strapping?
Does not change sheet count much.
Lights?
Cutouts add waste.
Lift?
Mechanical install planning.