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Visual 3D Candle Mold Calculator | Estimate Wax Weight Instantly
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3D Candle Mold Wax Calculator (Visual Architect)

The 3D Candle Mold Wax Calculator (Visual Architect) helps you calculate the exact wax weight needed for silicone molds. Whether you are making bubble cubes, body molds, or geometric pillars, use the geometry sliders below to estimate the volume and weight before you pour.

Cylinder
Tapered
Sq. Pillar
Sphere
10cm
7cm
Total Wax Needed (1 Mold)
0
grams total

How to Calculate Wax for Silicone Molds

Buying 3D silicone molds online (like bubble cubes, bodies, or geometric pillars) is tricky because sellers rarely list the wax weight. They usually only provide the dimensions (e.g., 10cm Height x 6cm Width).

This 3D Mold Calculator solves that problem by using geometry to estimate the volume of the mold and multiplying it by the specific gravity of your wax.

Geometry vs. Water Displacement

There are two ways to calculate mold volume:

1. The Geometric Method (This Tool)

Best for before you buy. If you are looking at a mold on AliExpress or Amazon and only know the dimensions, use this calculator to estimate costs before purchasing.

2. The Water Method

Best if you already own the mold. Place the empty mold on a scale, zero it out (tare), fill it with water, and note the weight.
Formula: Water Weight x 0.86 = Soy Wax Needed.

Frequently Asked Questions

How do I calculate wax weight for a silicone mold?
You can use our geometric calculator if you know the dimensions. If you own the mold, fill it with water, weigh the water, and multiply by 0.86 (for soy wax) or 0.90 (for paraffin).
What is the specific gravity of Soy Wax?
Soy wax has a specific gravity of approximately 0.86. This means 100g of water volume only requires 86g of soy wax to fill the same space.
Does this calculator work for Epoxy Resin?
Yes, but you must adjust for density. Epoxy resin is heavier than wax (approx SG 1.1). If you use this tool, expect to need about 20% more resin by weight than the wax calculation shown.