# DIMUNIT System Variable [GstarCAD 2027](Help%20System/GSTARCAD/2027/Index.md) → [System Variables](Help%20System/GSTARCAD/2027/System%20Variables/(System%20Variables).md) → [D](Help%20System/GSTARCAD/2027/System%20Variables/D/(D).md) ## Function Description: The DIMUNIT system variable is used to set the dimension format. | | | | --- | --- | | Type | Real | | Saved in | Drawing | | Initial value | 2 | | Range | 1 ~ 8 | ## System Variable Value: **1:** scientific **2:** scientific **3:** engineering **4:** architectural -stack **5:** fractional-stack **6:** architectural **7:** fractional **8:** Microsoft Windows Desktop --- [Original help](https://www.gstarcad.net/help/GstarCAD_2027_en-US/detail/systemVariables_Dgsv/DIMUNIT.html) · © Gstarsoft Co., Ltd.