Raw volume
--Tray Projects
Resin Tray Calculator
Trays can behave like shallow molds or like coated surfaces. This page uses surface-style inputs so decorative tray makers can plan thickness, edges, and runoff without using a floor or river table tool.
Calculator
Plan the project in one pass
Tray resin estimate
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Start with the inputs to generate an order-ready estimate.
Part A / Part B
--Projected cost
--Layer guidance
--Why This Estimate Changed
What moved the number
- Enter the form values to see raw volume, buffer, and recommendation.
Compare Scenarios
Tray surface vs craft runoff buffer
Standard
--Conservative
--Product fit
--Next Step
Match the result to the right resin class
Use the estimate to narrow the resin class first. Then confirm product limits, cure behavior, and measurement assumptions before you make a buying decision.
Why this page exists
- Best for shallow trays, decorative pours, and surface-style tray coats.
- Uses length, width, and target thickness.
- Adds edge and runoff allowance.
- Connects to mold, flood coat, and craft pricing pages.
How to measure or set the inputs
- Measure the tray's filled surface area, not the outside rim.
- Enter the planned resin thickness for the decorative layer.
- Add waste for pigments, inclusions, split colors, and edge cleanup.
- Use the mold calculator instead if the tray is a deep casting mold.
Common mistakes that cost money
- Treating a shallow tray as a deep pour.
- Ignoring rim height or uneven tray bottoms.
- Forgetting that pigments and split designs create extra cup loss.
Project checklist before you buy
- Confirm the mold or surface is sealed before mixing resin.
- Measure depth twice at the deepest point of the project.
- Add extra material for waste, seepage, and edge soak-in.
- Confirm the resin type matches the intended pour depth.
- Prepare cups, stir sticks, gloves, and a level work surface.
FAQ
Questions people ask before buying epoxy
Is a tray a surface coat or mold fill?
It depends on depth. Most decorative trays are shallow surface-style pours, while deep tray molds may need mold volume logic.
Should handles and rims be included?
Include any areas that will receive resin or cause runoff. Do not include outside features that stay dry.
Can I price trays from this result?
Use the resin art pricing calculator after this page to turn material quantity into a minimum pricing baseline.
How accurate is this epoxy calculator?
It is designed for planning and procurement, not for replacing the manufacturer data sheet. The calculator is most useful when you add the right waste buffer and choose the page that matches your project type.
Why does the recommended amount exceed the raw volume?
Real projects lose material to mixing cups, edge soak-in, seepage, and safety margin. Raw volume alone is often too optimistic.
Should I still check the resin brand instructions?
Yes. Always confirm maximum pour depth, cure conditions, and mix ratio with the product documentation you plan to buy.
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