Get plasterboard sheet counts and quantities for walls and ceilings. TradeSet’s plasterboard calculator works offline and attaches to jobs.
This calculator is one tool inside the TradeSet app: NCC stair checks, PDF export, and your last calc one tap away.
Last updated: 30 August 2026
Metric units (mm/m) are used throughout, with Australian standards context where applicable.
Fast on-page input check using metric units for planning only.
Estimated order is 24 sheets after wastage allowance.
General guidance only. Verify with plans/engineer/local requirements.
This page is one calculator from the TradeSet Toolbox. Use the app to keep calculator history, attach results to jobs, and export clean PDFs from one place.
Open another tool now so your workflow stays in the same TradeSet calculator cluster.
Timber Stud Count Calculator
Stud spacing and count for walls. Built for carpenters and framers.
Open toolRaked Wall Area Calculator
Area for raked and angled walls. For plasterers and painters.
Open toolRender Quantity Calculator
Render bags from wall area, product coverage and wastage.
Open toolPlasterboard quantities can blow out quickly when room geometry, raked surfaces, and offcuts are ignored. This calculator helps you move from area to sheet count with a practical estimate in metric units.
Use it for early pricing and ordering support, then verify with your selected board system, project specifications, and manufacturer guidance before installation.
Estimated order is about 24 sheets after wastage.
Not reliably. Use wall and ceiling surface areas, including raked sections where relevant, then convert to sheet count.
After calculating base sheet count. Wastage should reflect project complexity, handling risk, and cut profile.
No. Those are project-system decisions that must be confirmed in the relevant specification and product guidance.
Use these links to move from guide to calculator, then continue in the TradeSet app workflow.
Timber Stud Count Calculator
Stud spacing and count for walls. Built for carpenters and framers.
Open calculatorRaked Wall Area Calculator
Area for raked and angled walls. For plasterers and painters.
Open calculatorRender Quantity Calculator
Render bags from wall area, product coverage and wastage.
Open calculatorSheet estimates are provided in metric units for planning. Final product system requirements should be verified from project specifications.
General guidance only. Verify with plans/engineer/local requirements.