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Epoxy Resin Calculator

Estimate the resin and hardener volume a mold, casting or coating needs. Runs locally in your browser.

sets which dimensions are used
for length, width and diameter
cm
cm
cm
the inside depth you want to fill
resin parts : hardener parts
% for mixing loss
5–15% covers what stays in the cup
identical molds or areas
Enter the dimensions to calculate.

Volume is the mold cavity or coating area × depth. The total is split by the resin : hardener parts ratio and then increased by the margin. Ratios differ by product and some are specified by weight, not volume — check the manufacturer's mixing instructions before measuring.