Resin Calculator 2026 Epoxy & Art
Resin volume & ratio calculator
How to calculate resin accurately: formula & expert tips
Whether you’re creating a stunning river table, coating a bar top, or casting art pieces, using a precise resin calculator saves material cost and avoids messy shortages. Our 2026 epoxy resin calculator uses the fundamental volume formula: Volume = Area × Depth, then applies your mixing ratio and waste factor. For US makers, we output fluid ounces, milliliters, and liters to match popular epoxy brands like TotalBoat, Alumilite, and ArtResin. Below we break down everything you need to know about measuring, mixing ratios (2:1, 1:1), deep pour calculations, and pro techniques.
Step-by-step: How to use this epoxy resin calculator
- Step 1: Choose shape — rectangle for tables, boards or circle for round art/countertops.
- Step 2: Enter length & width (or radius). Use inches or cm — the tool auto-converts volume.
- Step 3: Set pour depth (mm/inches). For deep pour epoxy, typical depth ranges 1–4 inches.
- Step 4: Select mixing ratio: 2:1 is industry standard for deep pour; 1:1 for thin art resin.
- Step 5: Add waste factor (10% recommended) to account for mixing cup residue and unexpected drips.
- Step 6: Instantly see total resin volume, part A & part B amounts, and coverage reference.
Resin coverage & volume table (common projects 2026)
| Project type | Dimensions (US) | Resin volume (fl oz) | Resin volume (liters) | Mix ratio example |
|---|---|---|---|---|
| River coffee table (24″×48″×1.5″) | 24x48x1.5 inch | ~ 86 fl oz | ~ 2.54 L | 2:1 deep pour |
| Round art piece (18″ diameter, 0.25″ depth) | Radius 9″ | ~ 9.4 fl oz | ~ 0.28 L | 1:1 art resin |
| Epoxy countertop (36″×25″×0.125″) | 36x25x0.125" | ~ 15.2 fl oz | ~ 0.45 L | 1:1 or 2:1 coating |
| Deep pour slab (60″×20″×2.5″) | River table | ~ 270 fl oz | ~ 7.98 L | 2:1 deep pour epoxy |
Understanding resin mixing ratios: 2:1 vs 1:1 vs 3:1
Your resin ratio calculator must reflect the specific brand. 2:1 resin calculators are essential for deep pour epoxy (e.g., TotalBoat, FGCI). For art resin (like ArtResin, Puduo), 1:1 ratio is common. Our tool automatically splits total volume into accurate Part A and Part B measurements in milliliters and ounces — no manual math needed. If you use a fiberglass resin or casting resin with different ratios, simply pick from the dropdown.
Exclusive 2026 insights: resin cost saving & deep pour techniques
- 💡 Deep pour rule: For depths >1 inch, use slow-cure deep pour epoxy to avoid overheating. Our calculator includes waste factor, but for deep molds add extra 5% due to higher exothermic contraction.
- 📏 River table trick: Measure both irregular edges and use average width. If using our rectangle mode, measure narrowest + widest points and average.
- 💰 Cost estimator: 2026 resin prices average $45–$85 per gallon. Use total liters from result to approximate budget. Total Boat, Alumilite, and Ecopoxy remain top brands.
- ⚙️ Digital tools synergy: Our online resin calculator app works offline after load — bookmark as your epoxy resin calculator in ml and fl oz for repeat projects.
- 📱 App mention: While many search for “resin calculator app free download”, our web-based tool gives instant results without installation, optimized for iOS/Android.
Epoxy resin coverage: square foot & ml guide
For a 1/8″ (3mm) coating, 1 US gallon covers about 100 sq ft. For deeper pours, the relationship is linear. For example, 1″ depth reduces coverage to ≈12.5 sq ft per gallon. Our epoxy resin coverage calculator does the math behind the scenes – just enter dimensions and depth.
Frequently asked questions (resin calculator)
Our calculator shows approx 2.7 gallons (345 fl oz) mixed including waste, using 2:1 ratio. Always double-check with mold dimensions.
Art resin typically uses 1:1 ratio and shallower pours. Our tool adjusts ratio and depth for either application — simply pick correct ratio.
Yes, estimate the approximate bounding shape (rectangle for multiple coasters) or use circle for round coasters, then divide per piece.
For cylindrical molds, use our circle shape & input diameter (radius) and depth – accurate volume for resin casting.
This tool is for crafting epoxy resin. For Genshin Impact resin calculator (video game), check our gaming section. Our tool focuses on real-world epoxy projects.
Absolutely. For marine fiberglass resin, choose 2:1 or 3:1 depending on hardener, same volume calculation applies.