Resin Calculator (Epoxy Volume Calculator)

Calculating epoxy resin volume accurately prevents you from mixing the wrong amount of an expensive chemical. Knowing your exact geometric poured volume keeps costs low.

Configuration

Project Shape

Measurement Unit

Length

Width

Depth/Thickness

Resin Type

Waste Factor

10 %

5 %20 %

Auto-Calculating

v2.0 Logic

Resin Needed per Square Area (1 inch thick)

Category	Value/Price
1 sq ft	~2.36 liters
5 sq ft	~11.8 liters
10 sq ft	~23.6 liters

Estimates are for pure geometric volume, assuming exact poured heights. Always calculate spill over.

Technical Overview

Resin density and reaction properties dictate that accurate volume calculation is necessary before triggering the hardener catalyst. Modern epoxy formulations cure via an exothermic reaction. If you mix too much at once, it can flash cure or overheat, ruining your project. Our tool standardizes calculations for river tables, deep pours, and doming coats by dynamically substituting geometric variables based on your mold shape. It outputs directly in liters to match commercial purchasing standards.

Professional Applications

River table manufacturing
Resin art
Floor coatings

How to calculate resin

Find the cubic area of your mold and convert that directly to fluid liters. Always factor in 5-15% extra material because resin clings to missing cups, stir sticks, and will seep into porous surfaces.

Common mistakes

The most common and expensive mistake is forgetting to seal the edges of a custom mold, causing liquid epoxy to drain out before it hardens. Another mistake is mixing by volume if a manufacturer specifically demands mixing by mass (weight).

Tips to avoid bubbles

Pour in thin layers (unless using deep pour specifics). Use a vacuum chamber before pouring, and lightly pass a butane torch over the surface to pop rising tension bubbles.

Scientific Formula

Rectangle: V = L × W × H | Circle: V = π × r² × H

Frequently Asked Questions

How much resin per sq ft?

At exactly 1 inch thick, one square foot requires roughly 2.36 liters or 79.8 fluid ounces of mixed resin.

How to avoid wastage?

Ensure a perfectly level pouring surface so resin doesn't spill over low edges. Calculate the exact math here before mixing.

Can I reuse resin?

Once the hardener is mixed into Part A, the chemical timer starts. It cannot be saved or reused after it cures. Unmixed components can be stored for months.