Alchemical Symbol Converter
Look up the classical alchemical symbol and ruling planet for each of the seven metals of antiquity.
Frequently asked questions
Is this tool free?
Yes. Calchemy tools are free to use in your browser.
Is my data uploaded?
No. The tools are designed to run locally in your browser unless clearly stated otherwise.
Why only seven metals?
Gold, silver, mercury, copper, iron, tin and lead were the seven metals known to classical and medieval alchemists, each paired with one of the seven classical planets.
Are these symbols still used today?
The planetary symbols still turn up in astrology and some older chemistry texts, but modern chemistry uses the standard periodic table symbols instead.