Epoxy Flooring Cost Calculator
Kits, coverage and total cost for an epoxy garage floor.
Enter your values
Enter the floor length in ft.
Enter the floor width in ft.
Enter the coats you are working with.
Enter the coverage per gallon in sq ft.
Enter the price per gallon kit in $.
leave 0 for DIY
Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.
- Total cost
- $240.00
- Epoxy needed
- 3.2 gal
- Kits to buy
- 4
- Floor area
- 400 sq ft
- Material cost
- $240.00
- Labour cost
- $0.00
Quick answer
Epoxy covers roughly 250 sq ft per gallon per coat, so a two-coat 400 sq ft garage needs about 3.2 gallons plus primer.
gallons = area × coats ÷ 250
At a glance
| What it does | Kits, coverage and total cost for an epoxy garage floor. |
|---|---|
| Category | Home & DIY |
| Inputs needed | Floor length, Floor width, Coats, Coverage per gallon, Price per gallon kit, Pro install per sq ft |
| Main output | Total cost |
| Formula | gallons = area × coats ÷ 250 |
| Cost | Free — no sign-up, no download |
How to use the Epoxy Flooring Cost Calculator
- 1Measure the floor length and width.
- 2Choose the number of coats — two is standard over primer.
- 3Add a pro rate per sq ft if you are not doing it yourself.
Inputs explained
- Floor length(ft)
- Enter the floor length in ft.
- Floor width(ft)
- Enter the floor width in ft.
- Coats
- Enter the coats you are working with.
- Coverage per gallon(sq ft)
- Enter the coverage per gallon in sq ft.
- Price per gallon kit($)
- Enter the price per gallon kit in $.
- Pro install per sq ft($)
- leave 0 for DIY
Worked example
Using the values the calculator loads with:
Inputs
- Floor length20 ft
- Floor width20 ft
- Coats2
- Coverage per gallon250 sq ft
- Price per gallon kit75 $
- Pro install per sq ft0 $
Results
- Total cost$240.00
- Epoxy needed3.2 gal
- Kits to buy4
- Floor area400 sq ft
- Material cost$240.00
- Labour cost$0.00
Frequently asked questions
How much epoxy do I need for a 2-car garage?
About 3–4 gallons for two coats over roughly 400 sq ft, plus primer if the slab is bare.
Does concrete need etching first?
Yes — acid etch or grind the slab so the epoxy can bond, otherwise it peels within a year.
What do I need to enter into the Epoxy Flooring Cost Calculator?
Just 6 values: floor length, floor width, coats, coverage per gallon, price per gallon kit, pro install per sq ft. Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.
How does the Epoxy Flooring Cost Calculator work out the answer?
Epoxy covers roughly 250 sq ft per gallon per coat, so a two-coat 400 sq ft garage needs about 3.2 gallons plus primer. It applies the formula gallons = area × coats ÷ 250 and shows the working so you can check each step by hand.
Is the Epoxy Flooring Cost Calculator free, and do I need an account?
It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.