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Epoxy Calculator

Calculate exact epoxy volume, resin & hardener mix amounts, number of coats, total cost, cure timeline, and material list for floors, countertops, river tables, and coatings.

Project Type & Area

Select your project and enter the surface dimensions

Project Type
Area Shape
Calculated Surface Area — sq ft
Coating Thickness

1" = 25.4mm

Typical: 1 seal + 1–2 top coats

Drips, edges, overpour: 5–15%

Epoxy Product Settings

Mix ratio, density, and product-specific parameters

Epoxy Type Presets

Typical: 1.05–1.15 g/mL

At 1/8" depth: ~12 sq ft/gal

Working time before gel

Cure Conditions

Ideal: 70–80°F

Keep below 85% (moisture issues)

Full mechanical/chemical cure

Cost

Squeegees, gloves, tape, etc.

Coverage Reference Chart

Thickness mm Sq Ft / Gallon Typical Use
Total Epoxy
--
fluid ounces
Total Volume
-- gal
gallons needed (w/ waste)
-- L
liters
Mix Components
Part A (Resin)-- oz
Part B (Hardener)-- oz
Mix Ratio--:--
By Weight (A)-- lbs
By Weight (B)-- lbs
Surface & Coverage
Surface Area-- sq ft
Depth Per Coat-- in
Total Depth-- in
Number of Coats--
Coverage Rate-- sq ft/gal
Kits & Cost
Kits to Buy--
Epoxy Cost$--
Pigment & Extras$--
Total Project Cost$--
Cost Per Sq Ft$--
Cure Schedule
Pot Life-- min
Tack-Free Time-- hrs
Recoat Window--
Light Traffic-- hrs
Full Cure-- days

Common Mix Ratios

1:1 volCountertop, art
2:1 volMarine, laminating
3:1 volDeep pour, casting
4:1 volStructural
100:45 wtHigh-perf systems