Ceiling Paint Calculator
Calculate how much paint you need for a ceiling based on room dimensions.
How It Works
Enter the room length and width. The ceiling area equals the floor area. Divide by 350 to get gallons needed per coat.
Formula
Ceiling Area = Length × Width | Gallons = Area / 350
Frequently Asked Questions
How do I calculate ceiling paint?
The ceiling area is the same as the floor area (length × width). Divide by 350 sq ft per gallon for one coat.
Is ceiling paint the same as wall paint?
Ceiling paint is usually flat/matte and slightly thicker. Coverage is similar at around 350 sq ft per gallon.