Hanging drywall or plasterboard? Enter the total wall area to calculate how many standard 4 by 8 foot sheets you need. This free calculator rounds up so you have enough for the whole job, including cuts and waste.
Drywall Calculator
How to Use
- Measure each wall and add the areas together in square feet.
- Enter the total wall area above.
- Click “Calculate Sheets” to see how many 4 by 8 foot sheets you need.
- Allow extra for doors, windows and awkward cuts.
Key Features
- Based on standard 4 by 8 foot drywall sheets.
- Rounds up so you never run short.
- Instant results in your browser.
- Ideal for DIY and professional estimators.
- Free with no sign-up.
FAQs
What size are the sheets?
This calculator uses standard 4 by 8 foot sheets, which cover 32 square feet each.
Should I subtract doors and windows?
Many professionals keep them in the total to allow for waste. For large openings, subtract the area first.
Does it include ceiling area?
Add ceiling square footage to the wall total if you are drywalling ceilings too.