FREE · CALCULATORS & CONVERTERS
Drywall Calculator.
Estimate plasterboard sheets, screws and joint compound for the walls of a room, with an optional ceiling.
Sheet count uses area, not a nested cutting plan. Openings share one size. Screw and compound rates are editable. Local arithmetic only. This is a quantity or geometry estimate, not a code check and not a substitute for a licensed professional.
- Area
- 35 m²
- Sheets
- 13
- Screws
- 350
- Joint compound
- 17.5 kg
Sheet count rounds up from the net area, the waste percent and the sheet area. It does not nest openings or offcuts. Screw and compound rates are the values you enter.
How to use Drywall Calculator
Enter the room and one repeated opening size. Set the sheet size, waste, screws per square metre and compound rate.
How it works
Estimate plasterboard sheets, screws and joint compound for the walls of a room, with an optional ceiling. Sheet count uses area, not a nested cutting plan. Openings share one size. Screw and compound rates are editable. Local arithmetic only. This is a quantity or geometry estimate, not a code check and not a substitute for a licensed professional.
Example
A 4 m × 3 m × 2.5 m room on 1.2 m × 2.4 m sheets.
Questions about Drywall Calculator
Is Drywall Calculator free, and do I need an account?
Yes. This tool is free to use in your browser without an account. Processing takes place on your device.
What are the limits and what should I check?
Sheet count uses area, not a nested cutting plan. Openings share one size. Screw and compound rates are editable. Local arithmetic only. This is a quantity or geometry estimate, not a code check and not a substitute for a licensed professional. Review the result before using it in your work.
Is my input sent to a server?
Your input is processed in your browser and is not uploaded by this tool. Files and pasted text are cleared when the page is refreshed. Normal website requests are still required to load the page and its libraries. Read the privacy explanation.