Drywall Calculator
Calculate drywall sheets and supplies needed for your project.
Drywall Calculator
Calculate drywall sheets and supplies needed
Formula
Sheets = Total Area ÷ Sheet AreaIncludes 10% waste factor
How to Use This Calculator
- 1
Enter room dimensions
Enter room length, width, and wall height.
- 2
Count openings
Enter number of doors and windows to subtract.
- 3
Choose sheet size
Select 4×8, 4×10, or 4×12 foot sheets.
Frequently Asked Questions
What size drywall sheets should I use?
4×8 is most common. Use 4×10 or 4×12 for taller walls to reduce seams.
How much joint compound do I need?
Plan for about 0.05 gallons per square foot of drywall.
How many screws per sheet of drywall?
Use about 32 screws per 4×8 sheet, spaced 12" apart on edges and 16" in the field.