Epoxy Flooring Cost Calculator
Kits, coverage and total cost for an epoxy garage floor.
Enter your values
leave 0 for DIY
ⓘ Live results
Results
- Total cost
- $240.00
- Epoxy needed
- 3.2 gal
- Kits to buy
- 4
- Floor area
- 400 sq ft
- Material cost
- $240.00
- Labour cost
- $0.00
Quick answer
Epoxy covers roughly 250 sq ft per gallon per coat, so a two-coat 400 sq ft garage needs about 3.2 gallons plus primer.
gallons = area × coats ÷ 250
How to use the Epoxy Flooring Cost Calculator
- 1Measure the floor length and width.
- 2Choose the number of coats — two is standard over primer.
- 3Add a pro rate per sq ft if you are not doing it yourself.
Inputs explained
- Pro install per sq ft($)
- 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.
About this calculator
- Built and reviewed by James Whitfield · How we build and test calculators
- Report an error
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.