General Quantity Takeoff Precision Calculator

Wall Paint & Primer Calculator

Calculate wall and ceiling paint liters, gallons, primer requirements, and multi-coat surface coverage.

Calculated 100% in your browser — zero data uploaded or stored externally.

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📐 Paint Coverage Formula

text{Liters} = frac{A_{net} times N_{coats}}{text{Coverage per Liter (m}^2/text{L)}}

📘 Engineering Specifications & Method of Calculation

Estimate paint buckets and primer requirements for residential and commercial building interiors and exteriors.

Coverage and Coat Estimation

Standard emulsion paint yields approximately 10 to 14 m² per liter per coat on prepared primed surfaces. Rough plaster requires additional primer coat allowance.

❓ Frequently Asked Questions

How many coats of paint are recommended for new plaster?

One base coat of masonry primer followed by two finish coats of premium acrylic emulsion paint.