Paint Calculator

Calculate exactly how much paint you need for any room - get gallon counts and cost estimates instantly

Room Length (ft)

Room Width (ft)

Ceiling Height (ft)

Number of Doors

~20 sq ft each

Number of Windows

~15 sq ft each

Number of Coats

Price Per Gallon ($)

Gallons to Buy

1.73 exact

302.0

Total sq ft

604.0

Sq ft with 2 coats

350

Sq ft/gallon coverage

Total wall area352.0 sq ft

- Doors (1 x 20 sq ft)-20 sq ft

- Windows (2 x 15 sq ft)-30 sq ft

Paintable area302.0 sq ft

Paint (2 gal x $35)$70.00

Total Material Cost$70.00

* Material cost only. Does not include labor, brushes, rollers, painter tape, or drop cloths.

• Buy 10% extra to account for touch-ups and waste
• One gallon covers approximately 350-400 sq ft with one coat
• New drywall or dark colors require primer for best coverage
• Two coats are recommended for rich, even color
• Paint comes in 1-gallon and 5-gallon cans - buy 5-gallon for larger jobs to save money
• Keep the same lot number if buying multiple cans to ensure consistent color