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.