How much paint for a 20 × 20 room?
Quick answer: 3 gallons + 3 quarts covers a 20 × 20-ft room with 10-ft ceilings, 2 door, and 4 windows for two coats of premium paint. Net wall area: 698 sq ft.
Typical use cases for this size: great room, large primary suite, basement living room. Adjust the inputs below for your exact room.
Estimates round up to the nearest quart and are based on Kompozit's published coverage. Buy slightly more for touch-ups and color changes.
A 20 × 20 room is typical for
Great room, large primary suite, basement living room. The math works out to roughly 3 gallons + 3 quarts for two coats of a quality interior paint with 10-ft ceilings.
Cost estimate
At ~$40–55/gallon for premium paint, this room runs $40–110 in paint alone for a DIY project. Add $30–50 in supplies (rollers, tape, drop cloth) and you're looking at $70–160 in materials for a typical 20 × 20 repaint.
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