Paint Calculator
Calculate paint needed for walls and ceilings with smart can size optimization
Room Dimensions
Openings
Advanced Settings
Results
Wall Area:-- sq ft
Ceiling Area:-- sq ft
Total Area:-- sq ft
Paint Needed:-- gallons
Ad Space (300×600)
Ad Space (Mobile)
How to Use the Paint Calculator
This paint calculator helps you determine the exact amount of paint needed for your walls and ceilings. Enter your room dimensions, specify the number of coats, and let our optimizer recommend the best combination of paint can sizes to minimize waste and cost.
Default Assumptions:
- Standard door: 21 sq ft
- Standard window: 12 sq ft
- Paint coverage: 350 sq ft per gallon
- Waste factor: 10%
Disclaimer: This is an estimator only. Always verify requirements with local building codes and paint manufacturer specifications.