> For the complete documentation index, see [llms.txt](https://book.runesterminal.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://book.runesterminal.io/4.-how-do-bitcoin-runes-work/etching-creating-a-rune/divisibility.md).

# Divisibility

Defines how many sub-units a Rune can be divided into (e.g. divisibility of 1 means each Rune can be divided into ten sub-units; a rune with divisibility 2 may be divided into a hundred, and so on)