How much epoxy do you need?

Nick Shushan
By Nick Shusan , Epoxy Expert and the CEO of NYC Epoxy Flooring.

December 30, 2022

How much epoxy do you need?

The amount of epoxy you need depends on the surface you want to use. If you want to create an epoxy countertype, wall, or floor you need around 10 mil thickness. To determine the exact epoxy you will need to multiply the floor length by the width and depth of the pour. After this, you will then convert the result to liters. Below we will discuss the needed epoxy for the different surfaces you might want to use it for.

How much epoxy is required for a countertop?

To determine the epoxy needed for a countertop, you will measure the square footage of the countertop. If you don’t know how to do that, you can read some online tutorials that will give you the right measurements.

Don’t also forget to take into account if you need a skim coat. Depending on the material of the countertop, which can be wood or concrete, you should seal the surface with a coat of epoxy. If you have a countertop epoxy, a full gallon of epoxy should be enough.

However, if you want a thick epoxy marble countertop, you should get two gallons of epoxy, metallic powders, charcoal, and the base color.

How much epoxy is needed for an epoxy wall?

To know how much epoxy per square foot is needed for a wall, you should measure all square footings of your countertop. A Quart of epoxy will cover about 70 square feet of your wall. If you want a thick epoxy wall, you could get one and a half gallons of epoxy, pearl, and base color. For an 82 ft wall, it is recommended you get about three gallons of epoxy. If you want your wall to have amazing 3D effects, you should apply an extra coat of epoxy over the wall.

How much epoxy do I need for a river table?

The exact estimate you need for your river table depends on the volume of the river. To get an accurate idea to measure the length, width, and depth of the river table. Once this is completed, multiply your answers together. A good example is when you have a river table of 10.75 inches by 10.75 inches and about 2 inches deep. For this river table, you will need a gallon of epoxy.

How much epoxy do I need for a floor?

To have an idea of how much you need for a floor, you will need to get the right measurements. For an average floor surface, a full gloom of 100% epoxy coating should be enough for a 1600 sq ft. The thickness of the epoxy will also determine how much it will cover the floor. A good estimate is :

  • An epoxy gallon at 1-millimeter thickness will cover a 1600 sq ft floor
  • A gallon of epoxy at 5 millimeters thickness will cover 320 sq ft of floor
  • A Gallon of epoxy at 10 milliliters will cover 160 sq ft floor

The above numbers are based on an ideal floor setting in most homes. Also, floor epoxy coverage depends on the substrates. Also for harsh floor surfaces like concrete and wood, you will need to skim-coat the surface. A quart of skim coat will cover about 72 square feet.


Having an epoxy floor is highly recommended for most public buildings. We have discussed the amount of epoxy you will need based on different surfaces. These epoxy are resistant to many chemicals, cope well with harsh weather conditions, and are highly decorative. Also, they are easy to clean, maintain and cope appropriately with underfloor heating. That’s what makes them suitable in many construction areas, factories, and production warehouses.


how much epoxy do we need?

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