Resin Calculator for Molds & Mix Ratios

Epoxy resin supplies, glitter, silicone molds, and finished resin crafts on a crafting table

Resin Calculator for Molds & Mixing Ratios

Use this calculator when you know your mold size but need to determine how much resin to mix.

Calculator works best on desktop with limited features on mobile.

How to Use This Resin Calculator

Enter your mold dimensions and quantity, then click Calculate to see how much resin you need.

Mold Volume
Example mix ratios: 1:1, 2:1, or 3:1
Resin Density
Used to convert volume to weight. Check your resin's SDS for exact density.
Additives (Optional)
Enter your mold details, quantity, units of measurement, and mix ratio, then click Calculate.

Your Results

Recipe Name
Not provided
Project Type
Not provided
Quantity
1
Per Mold / Piece
0
Total Resin Needed
0
Resin Part A
0
Resin Part B
0
Additives
No additives added.
Notes
No notes added.
Results will appear here after you calculate your resin batch.
Own your recipes. Many maker calculators have shut down, taking saved recipes with them. We don't save your recipes on our servers — click Save Recipe as PDF to save to your computer or Google Drive so they're yours forever.
Tip: This calculator is intended to be a guide only. Always perform your own testing and follow the manufacturer's directions for your specific resin, mold, and project.
Calculator by Master Maker Crafts · mastermakercrafts.com
Copyright 2026 Master Maker Crafts. All rights reserved. Calculator design, logic, and code may not be copied, reproduced, or distributed without written permission.

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