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Calculate how much paint you need for your room
Paint Needed
3
gallons (2.71 exact)
Wall Area
560 sq ft
Less Openings
-85 sq ft
Paintable Area
475 sq ft
Total (2 coats)
950 sq ft
350 sq ft per gallon
Actual coverage may vary based on surface texture, paint quality, and application method.
One gallon of paint covers 350-400 sq ft on smooth surfaces
The average room requires 2-3 gallons for complete coverage
Paint should be applied between 50-85°F for best results
Modern latex paint dries in 1-2 hours; full cure takes 30 days
Premium paint ($40-70/gallon) often needs fewer coats than cheap paint
Dark colors may need a tinted primer and 3+ coats for even coverage
Leftover paint can be recycled or donated to community programs
Low-VOC paints emit fewer harmful chemicals during application