PROFESSIONAL-GRADE PAINT
ONE COAT COVERAGE
MADE FOR REAL RESULTS
CompositePaint
PAINT CALCULATOR

How much paint for a 16 × 20 room?

Quick answer: 3 gallons covers a 16 × 20-ft room with 9-ft ceilings, 2 door, and 4 windows for two coats of premium paint. Net wall area: 546 sq ft.

Typical use cases for this size: great room, family room with eat-in. Adjust the inputs below for your exact room.

FOR THIS SIZE

A 16 × 20 room is typical for

Great room, family room with eat-in. The math works out to roughly 3 gallons for two coats of a quality interior paint with 9-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 16 × 20 repaint.

OTHER ROOM SIZES