Paint Calculator

Calculate how much paint you need for your walls. Accounts for doors and windows.

Length (ft)

Width (ft)

Height (ft)

Doors

Windows

Coats

Coverage (sq ft/gal)

Price per gallon ($)

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How to Calculate Paint

This calculator estimates paint needed based on wall area minus doors and windows.

Standard door: 21 sq ft | Standard window: 15 sq ft

Tip: Always buy slightly more paint than calculated to account for touch-ups and uneven surfaces.

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