Ceiling Paint Calculator | Estimate How Much Paint You’ll Need
Enter the dimensions of your ceiling to calculate how much paint you will need. You can also select the number of coats. Please use feet for all measurements.
Note: This is only an estimate. Please contact a professional before placing your order.
1
Select Ceiling Shape
Rectangle
Square
L-Shape
Custom
2
Enter Ceiling Dimensions
Main Area
Total Ceiling Area:
0 sq ft
Number of Coats:
2 coats
Coverage per Gallon:
400 sq ft
Total Paint Needed:
0 gallons
Purpose of This Ceiling Paint Calculator
This calculator helps you estimate how much paint you need to cover your ceiling accurately, taking into account ceiling dimensions, additional openings, and the number of coats you plan to apply.
How to Use the Calculator
1. Measure Your Ceiling:
- Measure the length and width of your ceiling in feet.
- For irregular or L-shaped ceilings, break the area into smaller rectangles and measure each section.
2. Enter the Dimensions:
- Input the length and width of your ceiling in the calculator fields.
- If you have multiple ceiling sections, repeat the process for each section.
3. Select Number of Coats:
- Choose the number of coats you plan to apply (1–4 coats).
- Keep in mind that additional coats will increase the total paint required.
4. Calculate:
- Click the Calculate button.
- The calculator will display:
- Total ceiling area
- Paintable area after subtracting openings
- Estimated gallons of paint required for the selected number of coats
5. Tips:
- One gallon of paint typically covers ~400 sq ft per coat.
- Round up to ensure you have enough paint for touch-ups or errors.
- Always check your paint can for manufacturer-specific coverage.