Construction & estimating · Masonry & finishes
Plasterboard (walls & ceilings) calculator
Sheets, fixings, jointing compound and tape for walls and ceilings.
Standard: Sheets, screws, compound, tape
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Inputs in the worked example
The live calculator starts with these values; change any of them and every result, check and diagram updates instantly.
| Input | Value | Unit |
|---|---|---|
| Wall area | 260 | m² |
| Ceiling area | 120 | m² |
| Sheet length | 3.6 | m |
| Sheet width | 1.2 | m |
| Waste | 10 | % |
| Screws per m² | 12 | |
| Sheet price | 26 | $ |
| Compound | 2.5 | $/kg |
| Labour (hang + set) | 30 | $/m² |
Worked example — results
| Result | Value | Unit |
|---|---|---|
| Total area | 380 | m² |
| Sheets | 97 | |
| Screws | 4560 | |
| Compound | 133 | kg |
| Tape | 494 | m |
| Total | $14,255 |
Method, formulas and assumptions
- Compound ≈ 0.35 kg/m², tape ≈ 1.3 m/m² (typical)
- Rates are example inputs only. Replace them with current supplier quotes and local labour rates.
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For preliminary design and education. Check every result against the current standard and your own engineering judgement before use.