Paint Calculator

Estimate paint gallons for walls and ceilings. Account for doors, windows, and multiple coats with customizable coverage per gallon for accurate project planning.

paint

walls

ceiling

Common Room Sizes

Popular room dimensions for quick paint estimation

1Room Details & Paint Options

Enter room dimensions and painting preferences

Paint Surface

Length (ft)

Width (ft)

Wall Height (ft)

Doors

Windows

Coats

Coverage (sq ft/gal)

How it works: The calculator measures wall area (accounting for doors and windows), multiplies by the number of coats, then divides by paint coverage. Coverage varies by paint type and surface.

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