español where to buy recently viewed 0 my favorites HOW TO PAINT PAINT COLORS PRODUCTS BUY PAINT Home > How Much Paint Do I Need? How Much Paint Do I Need? Paint Calculator Have you ever been "almost done" painting, and realized you didn’t have quite enough house paint to finish the job? Fill in the blanks below, and click 'Calculate' to determine the right amount of paint for your project with our custom paint calculator. Wall 1 Height Feet Width Feet Add a Wall Number of Windows Number of Doors CALCULATE Here's another way to figure out how much paint you will need: Paint Calculator Tip 1: One gallon can of paint will cover up to 400 square feet, which is enough to cover a small room, like a bathroom. Paint Calculator Tip 2: Two gallon cans of paint cover up to 800 square feet, which is enough to cover an average size room. This is the most common amount needed, especially when considering second coat coverage. Paint Calculator Tip 3: Three gallon cans of paint cover up to 1200 square feet. This is enough to cover a large room or a couple of average-sized rooms adjoining each other. You may want to consider this extra can if you are doing a room with vaulted ceilings. Paint Calculator Tip 4: Four gallon cans of paint cover up to 1600 square feet, which is enough to cover several average rooms. You might consider this amount if you have a great room, family room, or another very large room. Now that you know how much paint you need after using our paint calculator we can help you find the right color and buy your paint online and get it delivered directly to your door or via curbside pickup. Click the button below to buy your paint now! READY TO BUY NOW? Share this story Related Information View Our Color Tools Use our digital color tools to find the right color for your project! Read More Room Visualizer See how your favorite colors will look in your room virtually. Read More FOLLOW US SIGN-UP FOR EMAIL to get painting tips and promos SUBSCRIBE INFORMATION Buy Paint Online Careers Contact Us Products About Glidden Paint FAQs Painting Tips For Every Home © 2021 PPG Industries, Inc. All Rights Reserved. The PPG Logo is a registered trademark of PPG Industries Ohio, Inc. Glidden and The Glidden Logo are registered trademarks of the PPG Group of Companies. Legal Notices & Privacy Policies | PPG Terms of Use | PPG Architectural Coatings Privacy Policy | CA Transparency in Supply Chain Disclosure Keep in mind that, because of variations in monitors and printers, the Glidden paints shown on your computer may vary slightly from the actual paint color. To obtain an accurate sample, please visit a Glidden Color Center at a participating retailer near you. Legal Notices & Privacy Policies| PPG Terms of Use| PPG Architectural Coatings Privacy Policy | CA Transparency in Supply Chain Disclosure CHAT