Room Paint Estimator

Estimate gallons and cost to repaint a room including primer.

Length (ft)

Width (ft)

Height (ft)

Doors

Windows

Coats

Paint coverage (sq ft / gal)

Paint price ($/gal)

Include primer

Wall area

416 sq ft

Paintable (after doors/windows)

365 sq ft

Gallons needed

3.1

Estimated cost

$141

Note

Buy one extra gallon to avoid a color-match return trip.

About this tool

Inputs: room dimensions, doors, windows, coats, primer toggle, paint price, coverage. Outputs: wall area, paintable area, gallons, and cost. Targets r/HomeImprovement paint threads.

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