Construction calculator
Drywall Calculator
Calculate drywall sheets needed for a room.
How the calculation works
Calculate perimeter × height for total wall area, divide by sheet coverage (32 ft² for 4×8).
Example: A 12 × 12 ft room with 8 ft walls needs about 12 sheets.
Important limitations
This tool provides a mathematical estimate based only on the values entered. It does not account for regulations, taxes, lender fees, medical circumstances, structural requirements, or other project-specific factors unless explicitly stated.
Frequently asked questions
How accurate is the drywall calculator?+
The calculation follows the displayed formula and retains full numeric precision before formatting the result.
Can I use the result professionally?+
Use it as a planning estimate. Confirm regulated, medical, financial, or construction decisions with a qualified professional.