Paint Calculator
Enter room dimensions to estimate how many gallons of paint you need. Accounts for doors and windows.
Paint Needed
Enter values to calculate
How to Use the Paint Calculator
1
Enter room dimensions.
2
Enter number of coats.
3
See gallons needed.
Frequently Asked Questions
How is it calculated?
Total wall area minus openings, divided by coverage per gallon (typically 350-400 sq ft).