About this calculator
Estimate plasterboard/drywall sheets from wall area and sheet size.
Actual layout matters: full-sheet placement can create more waste than pure area suggests.
Formula
Sheets = net area × (1 + waste%) ÷ sheet area, rounded up.
Example
A 2.4m × 1.2m sheet covers 2.88m².
Accuracy
NUMTX shows the assumptions next to the calculation so you can replace defaults with values that match your situation. For measurements, supplier rates, fees, interest, tax or regulated work, confirm important figures with the appropriate official or professional source.