Epoxy Countertop Calculator

Break L-shaped counters into rectangles. Measure depth from wall to front edge in inches.

Standard kitchen counters are about 25–25.5 in deep. Countertop epoxy systems over laminate or concrete usually include a primer or base coat and one or more flood coats; some metallic systems use thicker coats. Follow your kit instructions for coverage per coat.

FAQ

How much epoxy do I need for countertops?

Roughly 1 gallon covers about 12–13 sq ft at ⅛" thick. A typical 30 sq ft kitchen needs about 2.5 gallons per flood coat, plus extra for edges and a base coat.

How much does epoxy for countertops cost?

Material cost depends on the brand; at $60–150 per gallon a 30 sq ft kitchen with two coats is often a few hundred dollars in epoxy, plus primer, tape and tools. Use the price field above with your quote.

Can you epoxy over laminate countertops?

Yes, many DIY kits are made for laminate. Scuff-sand, clean and prime per the kit instructions.

How long before I can use epoxy countertops?

Commonly light use after about 24–72 hours and full cure in about 7 days, depending on the product and temperature.

Related: bar top · 4×8 sheet · coverage per gallon · project cost

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