Best Epoxy Resin Calculator

Epoxy Tabletop Calculator — Dining Tables, Coffee Tables & Bar Tops

Coating a tabletop with epoxy creates a durable, glassy finish that protects the wood and preserves anything embedded beneath it. The amount you need depends on the table size, coat thickness, and whether you're sealing raw wood first. This guide gives you per-table estimates for the most common sizes and shows you how to use the Floor/Surface Calculator on the main calculator for custom dimensions.

Select Floor Coating mode, enter your table dimensions as length and width, and set coat thickness to 1/8″ for a standard flood coat.

🍽️ Calculate Tabletop Epoxy ⟶
📊 Epoxy Amounts by Table Size

Common Table Sizes — Flood Coat Estimates

Estimates for a 1/8″ flood coat on sealed wood + a thin 1/16″ seal coat first. Add 15% waste buffer for wood surfaces:

Table TypeDimensionsSeal CoatFlood Coat (1/8″)Total (with 15% buffer)
Small coffee table24″ × 36″~11 fl oz~22 fl oz~38 fl oz
Medium coffee table24″ × 48″~15 fl oz~29 fl oz~51 fl oz
Large coffee table30″ × 60″~23 fl oz~45 fl oz~78 fl oz
4-seat dining table36″ × 60″~28 fl oz~54 fl oz~94 fl oz
6-seat dining table36″ × 72″~33 fl oz~65 fl oz~113 fl oz
8-seat dining table42″ × 96″~52 fl oz~101 fl oz~175 fl oz
Bar top (6 ft)18″ × 72″~17 fl oz~33 fl oz~57 fl oz
Bar top (8 ft)18″ × 96″~22 fl oz~43 fl oz~75 fl oz

All estimates per coat. For the seal coat, use about half the flood coat volume (1/16″ is half of 1/8″).

🎯 Coat Thickness Guide

Choosing the Right Coat Thickness for Your Table

Coat TypeThicknessPurposeCoverage per Gallon
Seal coat1/32″ – 1/16″Seal wood pores, prevent bubbles16–32 sq ft/gal
Standard flood coat1/8″Clear protective finish layer8 sq ft/gal
Deep flood coat3/16″ – 1/4″Embed objects, cover imperfections4–5.3 sq ft/gal
Thick casting layer1/2″+Deep embedding, dimensional effectsUse mold calculator

For most tabletop projects: apply a 1/16″ seal coat, let it cure to a firm gel, lightly sand any nibs, then apply a 1/8″ flood coat. This two-coat approach gives the best finish with the least risk of bubbles.

💡 Application Tips

Getting a Flawless Tabletop Finish

  • Level your table: Epoxy self-levels — if the table is not flat, the epoxy will pool on one side. Use a spirit level before pouring.
  • Build a dam: Apply masking tape to the underside edges, or use a plastic dam around the perimeter to catch drips. Remove after 4–6 hours as the epoxy gels.
  • Torch bubbles: After pouring, lightly pass a propane torch 6–8 inches above the surface. The heat pops micro-bubbles. Do this 2–3 times in the first hour.
  • Control temperature: Work in 65–75°F (18–24°C). Too cold slows curing and can cause cloudiness; too hot accelerates gel time and may cause bubbles from wood outgassing.
  • Dust cover: Cover loosely (not airtight) with a box or plastic tent to keep dust off during the 24-hour initial cure.

Frequently Asked Questions

How much epoxy for a 6-seat dining table?

A 36×72 inch table at 1/8″ flood coat needs approximately 65 fl oz per coat. With a 1/16″ seal coat first and 15% buffer: about 113 fl oz total — roughly a 1-gallon kit. Buy a 1.25 or 1.5-gallon kit to have extra for edge drips and touch-ups.

How thick should my epoxy tabletop coat be?

The standard is a 1/16″ seal coat followed by a 1/8″ flood coat. The seal coat stops bubbles from wood grain; the flood coat creates the clear, level finish. For deep embedding (flowers, coins, photos): use 1/4″ or pour in multiple thin layers.

Do I need to seal wood before epoxy?

Yes — always apply a thin seal coat to bare or porous wood. Brush or roll a thin layer, let it cure to firm gel (6–12 hours), then apply your flood coat. Skipping the seal coat causes air from the wood grain to bubble up through your flood coat, ruining the surface.