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2.81 gallons for every 1/100 of an inch thick. Most paints are applied at 4 mils wet, so they usually cover about 400 square foot per gallon. So you'd need about a gallon and a quart to cover 450 square feet.

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11y ago
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13y ago

400/50 = 8

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Q: How many gallons of paint you need to cover 400 square feet if each gallon covers 50 square feet?
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