KLOORADrywall Calculator
Work out how many 4x8 drywall sheets you need for walls and ceilings.
Quick answer: Drywall Calculator: Work out how many 4x8 drywall sheets you need for walls and ceilings. Everything runs in your browser, so nothing you enter is uploaded or stored.
How to use Drywall Calculator
- Enter your values in the fields.
- The results update instantly as you type.
- Note or copy the numbers you need.
Features
- Instant results
- Free, no signup
- Runs in your browser, nothing is uploaded
- Works on phone and desktop
How it works
Wall area = perimeter x height. Add the ceiling, apply waste, then divide by 32 square feet per sheet.
Worked example
A 12 by 10 by 8 room has 352 sq ft of wall and 120 of ceiling, so about 17 sheets with 10 percent waste.
Frequently asked questions
How big is a drywall sheet?
The common sheet is 4 by 8 feet, or 32 square feet.
How much waste?
Plan 10 to 15 percent for cuts and mistakes.
Is the Drywall Calculator free?
Yes. It is free, needs no signup and works on any device.