Best Epoxy Resin Calculator

Epoxy Cost Estimator — Budget Your Resin Project

Epoxy costs vary enormously depending on project size, resin quality, and kit size. The difference between a well-budgeted pour and an unpleasant surprise at the register can be hundreds of dollars. This guide gives you realistic price benchmarks by product tier and project type — and the free cost estimator lets you enter your kit price to see total project cost alongside your volume calculation.

Enter your kit size and price — get total epoxy cost, kit count, and pigment budget in one calculation.

💰 Estimate My Project Cost ⟶
💲 Epoxy Price by Product Tier

How Much Does Epoxy Resin Cost Per Ounce?

Product TierCost Per OzTypical UseExample Brands
Budget / craft resin$0.50–$1.00/ozJewelry, small castings, practiceVarious craft store brands
Entry-level casting$0.80–$1.50/ozClear casting, moldsArtResin, Let's Resin
Mid-range tabletop$1.50–$2.50/ozTables, countertops, bar topsTotalBoat, MAS, Stone Coat
River table / deep-pour$1.80–$3.00/ozRiver tables, thick castingsTotalBoat ThickSet, Entropy CCR
Professional / UV-resistant$2.50–$5.00/ozOutdoor, marine, commercialWest System, System Three
Marine / structural$3.50–$7.00/ozBoats, structural repairsWest System 105, MAS Low Viscosity

Prices shown are approximate retail USD. Buying larger kits (gallon+) reduces cost per ounce by 30–50%.

📊 Project Cost Estimates

Total Material Cost by Project Type

Estimates use mid-range resin at $2/oz, 10% waste buffer. Excludes wood, labor, and finishing supplies:

ProjectEpoxy VolumeEpoxy Cost+ Pigment Est.Total Materials
Small coffee table (4 ft)~175 fl oz~$350$20–$40~$370–$390
6-foot river table~300 fl oz~$600$30–$60~$630–$660
8-foot river table~500 fl oz~$1,000$40–$80~$1,040–$1,080
Garage floor (400 sq ft)~3,800 fl oz~$7,600N/A~$7,600–$8,000
Countertop (25 sq ft)~400 fl oz~$800$30–$60~$830–$860
10 jewelry pendants~1 fl oz~$2$5–$15~$7–$17

Floor epoxy is typically priced much lower per oz than table resin — budget floor coatings run $0.50–$1.50/oz. The floor estimates above use $2/oz which is a high estimate; your actual cost may be significantly lower.

💡 Cost-Saving Tips

How to Reduce Your Epoxy Project Budget

  • Buy in bulk: Gallon and 5-gallon kits cost 30–60% less per ounce than quart kits. Only buy small kits for test pours.
  • Calculate accurately first: Overbuying by 30% wastes more money than spending 10 minutes on careful calculation.
  • Use a seal coat: A thin seal coat on porous surfaces (wood, rough concrete) prevents costly over-absorption of the expensive build coat.
  • Mix only what you need: Mix in the exact amount per the calculator's batch size. Wasted unmixed resin sitting on a shelf slowly degrades.
  • Shop for kits on sale: Many major suppliers have seasonal discounts. Buying a 5-gallon kit during a 20% off sale beats buying quarts at full price.

Frequently Asked Questions

How much does epoxy resin cost per ounce?

Entry-level: $0.50–$1.50/oz. Mid-range tabletop/river: $1.50–$3.00/oz. Professional UV-resistant: $3–$6/oz. Buying in gallon kits vs. quart kits reduces cost by approximately 40% per ounce.

How much does a river table project cost in epoxy?

A 6-foot river table typically requires 2.5–3.5 gallons of resin. At mid-range pricing ($2/oz): $640–$896 in epoxy. Add pigment ($30–$60) and the wood slabs ($200–$800 depending on species) for a total project material cost of $870–$1,756.

Is it cheaper to buy larger epoxy kits?

Yes — significantly. A 32-oz quart kit at $50 = $1.56/oz. The same brand's gallon kit at $80 = $0.63/oz. A 5-gallon kit at $250 = $0.39/oz. If your project needs more than a quart, always buy the gallon or larger.

How do I use the cost estimator in the calculator?

In the Cost Estimator section of the calculator: enter your kit size (in oz), your kit price, and optionally your pigment cost. After clicking Calculate, the results show number of kits needed, epoxy cost, pigment cost, and total project cost.