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Interior Paint Calculator
This handy calculator will help you estimate the amount of paint you will need to paint an interior room -- including all the trim. If you plan on applying a primer coat or multiple finish coats, multiply the results accordingly.

 

Enter the dimensions of your room:
Feet
Inches
Room Length
Room Width
Room Height
Height of baseboard  
 
How Many?
Width of Trim (inches)
Height (inches)
Width (inches)
Doors
Windows
Square feet per gallon
TOTALS
Paint for Walls Gallons (4 quarts per gallon)
Paint for Ceiling Gallons (4 quarts per gallon)
Paint for Trim Quarts
   


Notice: This calculator is designed to help you calculate a rough estimate of the amount of paint you will need for your project. You should double-check your assumptions and measurements and consult a professional at your local paint retail outlet to determine your exact needs.