Paint Calculator

Estimate the paint required for a room by calculating wall area, subtracting doors and windows, and accounting for multiple coats.

1Room Inputs

Unit System

Imperial

Metric

Length

ft

Width

ft

Wall Height

ft

Doors

Windows

Coats

Coverage per gallon (sq ft)

sq ft

Price per gallon ($)

$

2Results

Wall area0.00 sq ft

Paintable area0.00 sq ft

Gallons needed0

Estimated cost$0.00

Notes

Coverage varies by paint finish and wall texture.
Add extra paint for priming, trim, or color changes.
Doors and windows are estimated at standard sizes.

Frequently Asked Questions

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