Gold calculators & goldsmith reference tools

Alloy Calculator

Calculate alloy additions for target fineness and total batch mass.

Plan gold alloy batches with target fineness and total mass.

Total target mass (g) Target fineness Alloy system Starting gold (g) Starting gold fineness

Ag % of remaining alloy Cu % of remaining alloy

Pure Au required 0 g

Ag to add 0 g

Cu to add 0 g

Zn to add 0 g

Presets are common recipes, not authoritative standards.