Calculator

Paint Coverage Calculator

Calculate exactly how much paint you need for any room or surface. Supports multiple rooms, coats, and cost estimation.

🎨Setup

Units:

Mode:

Length (ft)

Width (ft)

Height (ft)

Doors

Windows

Coverage (sq ft/gallon)

Standard: 350–400 sq ft/gal

Number of Coats

Price per Gallon ($)

Enter room dimensions or surface area above to see your paint estimate.

Type	Sheen	Best For	Coverage
Primer	—	New drywall, stain-blocking, color changes	350 ft²/gal
Flat	No sheen	Ceilings, low-traffic areas, hides imperfections	400 ft²/gal
Eggshell	Slight sheen	Living rooms, bedrooms — easy to clean	380 ft²/gal
Satin	Pearl sheen	Kitchens, bathrooms, hallways — durable	375 ft²/gal
Semi-Gloss	High sheen	Trim, doors, cabinets — moisture resistant	360 ft²/gal
Gloss	Shiny	Trim & furniture — maximum durability	350 ft²/gal