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Drywall (plasterboard) calculator
Sheets of plasterboard, screws and joint compound for walls and ceilings.
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About Drywall (plasterboard) calculator
Calculate the number of plasterboard sheets, screws and joint compound for walls and ceilings from room dimensions. A common sheet is 1.2 by 2.4 m, which covers 2.88 square metres. Subtract large openings, add waste for cuts, and remember ceilings often need thicker boards.
How to use Drywall (plasterboard) calculator
- Enter your numbers above.
- The result updates instantly as you type.
- Change any value to compare different cases.
Why use this tool?
- Private: everything happens in your browser. Nothing you enter is uploaded.
- Free, with no sign-up, no watermark and no limit on how often you use it.
- Works on phones, tablets and computers: Android, iPhone, Windows, Mac and Linux. Nothing to install.
- Available in 10 languages.
Also known as
Frequently asked questions
How many drywall sheets for a 4 by 4 m room?
Four walls 2.4 m high cover about 38 square metres, so around 14 sheets of 2.88 square metres, before the ceiling and waste.
Is Drywall (plasterboard) calculator free?
Yes. Drywall (plasterboard) calculator on Toolipedia is free to use, with no sign-up and no watermark.
Is it safe to use?
Yes. Everything is worked out in your browser, and nothing you enter is sent to our server.
Does it work on my phone?
Yes. It works in any modern browser on Android and iPhone, as well as on tablets and computers. There's nothing to install.
Do I need an account?
No. Just open the page and use the tool. There's no sign-up and no email needed.