# SNAPUNIT System Variable [GstarCAD 2017](Help%20System/GSTARCAD/2017/Index.md) → [System Variables](Help%20System/GSTARCAD/2017/System%20Variables/(System%20Variables).md) → [S](Help%20System/GSTARCAD/2017/System%20Variables/S/(S).md) **Function Description:** The SNAPUNIT system variable is used to set the snap space for current viewport. | | | | --- | --- | | Type | 2D point | | Saved in | Drawing | | Initial value | 0.5000,0.5000(Imperial) or 10.0000,10.0000(Metirc) | If specified SNAPSTYL to be 1, the X value of SNAPUNIT will be automatically adjusted to fit isometric snap. --- ## Other versions with matching text [GstarCAD 2016](../../../2016/System%20Variables/S/SNAPUNIT%20System%20Variable--cc1f05ee5794.md) · [GstarCAD 2018](../../../2018/System%20Variables/S/SNAPUNIT%20System%20Variable--cc1f05ee5794.md) · [GstarCAD 2019](Help%20System/GSTARCAD/2019/System%20Variables/S/SNAPUNIT%20System%20Variable--cc1f05ee5794.md) · [GstarCAD 2020](../../../2020/System%20Variables/S/SNAPUNIT%20System%20Variable--cc1f05ee5794.md) · [GstarCAD 2021](Help%20System/GSTARCAD/2021/System%20Variables/S/SNAPUNIT%20System%20Variable--cc1f05ee5794.md) · [GstarCAD 2022](Help%20System/GSTARCAD/2022/System%20Variables/S/SNAPUNIT%20System%20Variable--cc1f05ee5794.md)