This article was co-authored by Varga Gulshani and by wikiHow staff writer, Janice Tieperman. Varga Gulshani is a Residential Painting Specialist and the Owner of Elegant Painting based in Washington. With more than 16 years of experience, Varga and his team specialize in residential interior painting, exterior painting, and cabinet painting. Varga and the Elegant Painting team have all received background and verification checks.
This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources.
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How much paint do I need? This age-old question is an important one—after all, you don’t want to run out of paint in the middle of a house painting project, but you also don’t want to have a huge container of paint leftover when everything’s finished. Don’t worry. With just a tape measure and a calculator, you can calculate the exact amount of paint you need in a matter of minutes. We’ve outlined the exact formula you need to get the job done so you can complete your project as efficiently as possible.
Steps
Amount of Paint Calculator
Expert Q&A
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QuestionIs 1 gallon of paint enough for a room?Varga GulshaniVarga Gulshani is a Residential Painting Specialist and the Owner of Elegant Painting based in Washington. With more than 16 years of experience, Varga and his team specialize in residential interior painting, exterior painting, and cabinet painting. Varga and the Elegant Painting team have all received background and verification checks.
Residential Painting SpecialistEstimating accurately how much paint you'll need is hard, especially because it depends on the tint base. Almost all colors require two coats, but some ultra-deep bases might need three to four coats. As a general rule, you'd need 2 gallons for an average-sized bedroom. -
QuestionCan I measure the length, width and the height to get my accurate measurement?Janice TiepermanCommunity AnswerYou only need to measure height and length to get the surface area of your walls. However, you only use width and length when measuring for trim.
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QuestionHow to calculate the area of a room with door and windowJanice TiepermanCommunity AnswerMeasure the length and width of each door and window. Then, multiply these measurements to get the total surface area of each structure. Subtract these measurements from your total wall area to figure out how much surface you need to paint.
Video
Tips
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Multiply the height and length of the ceiling if you’d like to paint that surface, too. As a general rule of thumb, 1 US qt (0.95 L) provides enough coverage for 100 sq ft (9.3 m2) of space, but you may need more if you plan on adding another coat.[11]Thanks
Things You’ll Need
- Tape measure
- Ladder or stepstool
- Calculator
References
- ↑ https://www.bobvila.com/articles/how-much-paint-do-i-need/
- ↑ https://www.paintcare.org/buy-right/
- ↑ https://www.paintcare.org/buy-right/
- ↑ https://www.paintcare.org/buy-right/
- ↑ https://www.thisoldhouse.com/painting/21097077/how-much-paint-do-i-need
- ↑ https://www.bobvila.com/articles/how-much-paint-do-i-need/
- ↑ https://www.forbes.com/advisor/home-improvement/how-much-paint-do-i-need/
- ↑ https://www.thisoldhouse.com/painting/21097077/how-much-paint-do-i-need
- ↑ https://www.bobvila.com/articles/how-much-paint-do-i-need/
About This Article
Reader Success Stories
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"This is a great article to learn how much paint we need to paint a room. It describes the steps to measure all of the walls, ceiling and floor in a very easy way to follow. Thank you so much for your help, and for the wonderful graphics as well."..." more