FREE RESIN TOOLS
Free resin calculators and guides for your next pour
Find out how much epoxy you need, which mix ratio to use and what the pour will cost, before you open the bottles. Every calculator shows its formula, so you can check the math.
- Free to use
- No sign-up
- Inches or centimeters
- Formula shown
How it works
1. Measure your mold
Length, width and depth, or the diameter for round molds.
2. Get your amounts
Total resin, split into resin and hardener by your kit's ratio.
3. Pour with confidence
Mix once, with a little extra so you don't run short.
Resin calculators
All calculators →
Most usedEpoxy Resin CalculatorHow much resin and hardener you need for a mold, tray or table, and what it costs.Open the calculator →Small pieces & selling
Coasters, tumblers, molds and sets, plus cost and price.
Small pieces & selling
Coasters, tumblers, molds and sets, plus cost and price.
Tables, counters & floors
Big pours, coats and coverage in gallons.
Tables, counters & floors
Big pours, coats and coverage in gallons.
Mixing, curing & units
Ratios, color, catalyst, cure time and conversions.
Mixing, curing & units
Ratios, color, catalyst, cure time and conversions.
- Resin Mix Ratio Calculator
- Mica Powder & Pigment Calculator
- MEKP Calculator (Polyester Resin)
- Epoxy Cure Time Calculator
- Resin Unit Converter
How much resin for common projects
Mixed resin needed, including 10% extra. Open any row to change the size or add your ratio and cost.
| Project | Size | Mixed resin | Open |
|---|---|---|---|
| Coaster | 4 in round, 1/4 in deep | 1.9 fl oz · 57 ml | Open → |
| Serving tray | 12 × 12 in, 1/8 in deep | 11 fl oz · 324 ml | Open → |
| Art panel | 16 × 20 in, 1/8 in coat | 24.4 fl oz · 721 ml | Open → |
| Table top coat | 4 × 2 ft, 1/8 in coat | 88 fl oz (0.69 gal) · 2,596 ml | Open → |
| River table channel | 48 × 8 in, 1.5 in deep | 351 fl oz (2.74 gal) · 10,383 ml | Open → |
Made for every kind of resin project
Beginners
Coasters, keychains and jewelry. Get small pours right and stop wasting resin.
Try a 4 in coaster →Etsy sellers
Know your material cost per piece before you set a price.
Work out cost and price →Woodworkers
Plan deep pours for river tables and tabletops without running short.
Plan a river table pour →
Who is behind ResinToolbox?
Alex is learning resin art hands-on and builds the calculators and guides on ResinToolbox, sharing real results and mistakes along the way.
More about Alex Tran