atomic-units.md

---
layout: moneropedia
entry: "Atomic Units"
terms: ["atomic-units", "atomic-unit"]
summary: "Atomic Units refer to the smallest fraction of 1 XMR."
---

### The Basics

Atomic Units refer to the smallest fraction of 1 XMR.
One atomic unit is currently 1e-12 XMR (0.000000000001 XMR, or one @piconero).
It may be changed in the future.