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.