Estimate paint volume from surface area, coats, coverage rate, and waste.
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Paint required = area × coats ÷ coverage per liter × (1 + waste rate).
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Example result: 26.4 L
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Paint required = area × coats ÷ coverage per liter × (1 + waste rate).
Surface porosity, primer, application method, color change, and manufacturer coverage can materially change usage.
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