Are you planning a large painting job, such as the interior or exterior of your home, a fence surrounding your yard, or even something more significant? One factor you may be considering is how much does a gallon of paint weigh?

A gallon of paint weighs between 6 and 12 pounds, dependent on the type of paint being used. Latex, oil-based, acrylic, and enamel paints will all have different densities and weights.

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The weight of the paint may be essential to know if you plan on transporting it before painting.

Let’s take a closer look at the different types of paint, and varying factors as these numbers will be drastically different.

Since paint is traditionally measured in gallons, knowing the weight of each gallon of paint will give you the info you need to calculate the entire load for the project.

Choosing the right paint for your job is the first step, then you can calculate the weight.


Enamel paint can refer to a variety of different paints, as the name refers more to the finish than what the paint is made of. It dries quickly to a hard, usually glossy finish that is perfect for cars, boats, and RVs.

The specific weight of enamel paint is hard to pin down due to the broad category of paints that can be called enamel. 

In addition to automotive uses, enamel paint is also used for outdoor furniture, as well as decks and stair railings that need to withstand weather and temperature fluctuations. You may also find it in garages and basements, where it is used to seal and protect concrete floors.

If you are painting something where the final dry weight of the paint may be significant, whether something small like a pinewood derby car or a large project like a boat, determine if the enamel paint is acrylic or oil-based, next you should refer to the previous sections to determine the weight, keeping in mind that oil-based will be lighter than acrylic. 

If you are unsure of which type it is, you may need to contact the paint manufacturer to find out the density of the paint, then multiply the density by the volume (source). 

Automotive enamel will generally weigh around 11 pounds per gallon, depending on the brand and color, though, the dry weight will be significantly less.

To give one example where the weight of the automotive paint could have an impact, consider 747 airliners, where, once dry, the paint can weigh over 500 pounds!

Final Thoughts

There are many reasons why you might need to calculate the weight of paint. If your painting project is a big one, you’ll need to be able to transport and store the paint before using it, for example.

When the paint dries, a great deal of the weight simply evaporates, but the dry coat will still have a significant weight that can impact whatever you’re painting. 

While the weight of paint on walls and ceilings may not have much of an effect on your home, if you’re painting furniture, completing a craft project, or painting a car, boat, or plane, the added weight can have a major impact.

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By being aware of the weight of the paint before you start, you can determine what effect that weight will have on the finished project.