# AUNITS System Variables [GstarCAD 2022](Help%20System/GSTARCAD/2022/Index.md) → [System Variables](Help%20System/GSTARCAD/2022/System%20Variables/(System%20Variables).md) → [A](Help%20System/GSTARCAD/2022/System%20Variables/A/(A).md) **Function Description:** The AUNITS system variable is used to set angle units. | | | | --- | --- | | Type | Integer | | Saved in | Drawing | | Initial value | 0 | | Range | 0 \~ 4 | **System Variable Value:** **0:** decimal degrees **1:** degrees / minutes /seconds **2:** gradian **3:** radians **4:** surveyor's units