How it works
Multiply wall dimensions; divide by paint coverage and usable roll coverage.
Simple example
A 12 × 8 ft wall is 96 sq ft and needs about 0.55 gallon for two coats.
Paint & Walls
Accent Wall Size Calculator
Estimate paint and wallpaper for one wall.
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Common question
Does this account for pattern matching?
Use the roll’s usable coverage, which may be less for large repeats.
This is a planning estimate. Check product instructions, dimensions and site conditions before purchasing or building.