Paint Coverage Calculator
Jenzzy multiplies surface area by coats and divides by coverage per gallon from the can label.
Inputs
Results
Enter values to see results.
Formula
Gallons = (Area × Coats) / Coverage per gallon
Subtract doors/windows from gross wall area for better accuracy.
Example
- Total coverage: 800 ft²
- Gallons: 800/350 ≈ 2.29= 2.29 gal
Result: ≈ 2.3 gallons needed
Frequently Asked Questions
Primer separate?
Calculate primer and topcoat passes independently.
Texture?
Rough surfaces reduce effective coverage.
Spray vs roll?
Spray may increase overspray waste.