How much paint for a 14×16 room with 8' ceilings?
Answer
3 gallons (2 coats)
Total wall area: 480 sq ftPaintable area (after openings): 408 sq ftCoverage needed (2 coats): 816 sq ft
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How We Calculated This
Gallons = (Paintable Wall Area × Coats) / 350 sq ft per gallon
Walls: 2 × (16 + 14) × 8 = 480 sq ft. After 15% openings: 408 sq ft. × 2 coats = 816 sq ft ÷ 350 = 3 gallons
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Calculated using verified formulas. Last updated March 2026.