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| Buy the right amount |
Know how much paint you need before you go to the paintstore. Painting projects require about one gallon of paint to cover 400 square feet of smooth surface. You can save money and avoid waste by getting the right amount of paint for your project.
NOTE: The calculators below use JavaScript and work best with 'version 4' or newer browsers. If your browser has trouble working with the calculators, compute your paint needs by figuring the total area of your project in square feet and dividing the total by 400.
For disposal information, use the links on the left for the specific paint or paint-related product. |
Use this calculator to find how much paint you need for a RECTANGULAR room. Enter the height of the room and the lengths of the shorter and longer walls. Click Calculate to see how much paint to buy. |
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Use this calculator to find how much paint you need for an entire project. One by one, enter the height and length of the surfaces you want to paint. Click the Add to Project button after you enter the dimensions of each surface. The calculator keeps a running total of the surface area for your entire project. |
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NOTE: A rough-textured surface will require more paint than a smooth surface, so if you're on the margin, you may want to buy more.
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| More Information |
| Home maintenance - NLM/NIH Household Products Database |
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