Paint Quantity Calculator
Quantity Survey~1 min
Calculate the quantity of paint required for walls, ceilings, and surfaces.
Formula
Paint = Area / Coverage per litre × Number of coats
Input Parameters
Results
Total Wall Area
46.20m²
Ceiling Area
20.00m²
Total Paintable Area
66.20m²
Paint Required
11.0litres
Step-by-Step Method
- 1Calculate total wall area = 2(L+W)H − deductions for doors/windows.
- 2Add ceiling area = L × W.
- 3Paint = Total area × Coats / Coverage per litre.
Engineering Notes
- •Standard door = 2.1 × 1.0 m; standard window = 1.2 × 1.2 m.
- •Add 10% wastage.
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