Natural Plaster Calculator

Lime, clay, or earthen plaster volume from wall area.

Wall area (sq ft)

Coat thickness (in)

Number of coats

Plaster type (0=clay, 1=lime, 2=gypsum)

Tab to move between fields

Total plaster (cu ft)

Binder (cu yd)0.56

Sand (cu yd)1.3

Coverage per coat (sq ft)200

How to Use This Calculator

Enter Wall Area (sq ft) and Coat Thickness (in) per layer.
Set the Number of Coats (scratch, brown, and finish coats).
Select Plaster Type (clay, lime, or gypsum) to apply the correct binder ratio.
Review Total Plaster (cu ft), Binder (cu yd), and Sand (cu yd) needed.
Order materials in batches matching your mixing capacity to maintain consistent mix ratios.

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