# DIMTAD System Variable
[GstarCAD 2026](Help%20System/GSTARCAD/2026/Index.md) → [System Variables](Help%20System/GSTARCAD/2026/System%20Variables/(System%20Variables).md)
**Function Description:**
The DIMTAD system variable is used to control the vertical position of text relative to dimension line.
| | |
| --- | --- |
| Type | Integer |
| Saved in | Drawing |
| Initial value | 0 (Imperial) or 1( Metric) |
| Range | 0,1,2,3,4 |
**System Variable Value:**
**0:**center the dimension text between the extension line
**1:** center the dimension text between the extension line
**2:** Places the dimension text on the side of the dimension line farthest away from the defining points
**3:** place the dimension text according to JIS
**4:** place the dimension text below the dimension line
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[Original help](https://www.gstarcad.net/help/GstarCAD_2026_en-US/detail/systemVariables/DIMTAD.html) · © Gstarsoft Co., Ltd.