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Paint Coverage Calculator

Enter area, coats and coverage — paint quantity updates instantly.

Formula

Liters = area × coats ÷ coverage (m²/L)

Typical Coverage

Paint typeCoverage
Interior emulsion10–12 m²/L
Primer8–10 m²/L
Exterior masonry6–8 m²/L
Metal enamel12–14 m²/L

FAQ

How many coats should I plan?

Two coats is standard for a color change; one coat may do for a similar color; dark-to-light changes often need a primer plus two coats.

Should I buy extra?

Buy ~10% extra for touch-ups and wastage on rough surfaces — rough walls can cut coverage by 20%.