Drywall Sheets Calculator
Count drywall sheets for a wall or ceiling area, with a waste allowance.
Quick answer: enter your details below and click Count Sheets — your result appears instantly, right here in your browser. Nothing you enter is uploaded or stored.
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How to use
- Measure the area in square metres.
- Enter the area of one sheet.
- Click Count Sheets.
About this tool
Enter the area to cover and the area of one sheet, and the tool adds a 10 percent cutting allowance before rounding up to whole sheets. The allowance is shown separately, and offcuts from one wall can often cover small areas elsewhere.
Frequently asked questions
Should ceilings use a different allowance?
Ceilings often waste a little more around lights and edges, so a slightly larger allowance is sensible there.
Can I reuse offcuts?
Often, yes. Large offcuts cover small walls, cupboards, and bulkheads.