# INSUNITS System Variable [GstarCAD 2017](Help%20System/GSTARCAD/2017/Index.md) → [System Variables](Help%20System/GSTARCAD/2017/System%20Variables/(System%20Variables).md) → [I](Help%20System/GSTARCAD/2017/System%20Variables/I/(I).md) **Function Description:** The INSUNITS system variable is used to set the drawing unit for automatic scaling when inserting or attaching a block, image or external reference to a drawing. | | | | --- | --- | | Type | Integer | | Saved in | Drawing | | Initial value | 1 (Imperial) or 4(Metric) | | Range | 0 \~ 20 | The INSUNITS setting is ignored when inserting annotative blocks into drawing. **System Variable Value:** **0:** unspecified(no units) **1:** inches **2:** feet **3:** miles **4:** millimeters **5:** centimeters **6:** meters **7:** kilometers **8:** micro inches **9:** mils **10:** yards **11:** angstroms **12:** nanometers **13:** microns **14:** decimeters **15:** dekameters **16:** hectometers **17:** gigameters **18:** astronomical units **19:** light years **20:** parsecs --- ## Other versions with matching text [GstarCAD 2016](../../../2016/System%20Variables/I/INSUNITS%20System%20Variable--d0a12315c0c1.md) · [GstarCAD 2018](../../../2018/System%20Variables/I/INSUNITS%20System%20Variable--d0a12315c0c1.md) · [GstarCAD 2019](Help%20System/GSTARCAD/2019/System%20Variables/I/INSUNITS%20System%20Variable--d0a12315c0c1.md) · [GstarCAD 2020](../../../2020/System%20Variables/I/INSUNITS%20System%20Variable--d0a12315c0c1.md) · [GstarCAD 2021](Help%20System/GSTARCAD/2021/System%20Variables/I/INSUNITS%20System%20Variable--d0a12315c0c1.md) · [GstarCAD 2022](Help%20System/GSTARCAD/2022/System%20Variables/I/INSUNITS%20System%20Variable--d0a12315c0c1.md)