🧰 Plaster Calculator
Wall area and plaster type
Length
Width / height
…or area directly
Plaster type
Veneer plaster — 1/16 in skim over gypsum board
Gypsum basecoat — over lath or masonry
Basecoat thickness
(basecoat only — veneer is a fixed 1/16 in skim)
3/8 in
1/2 in — the usual basecoat build
Waste allowance (%)
(extra for cuts, spills and uneven ground — 10% is the usual rule)
Calculate plaster
Calculator by
CalcCoverage
— free DIY & home-improvement calculators