# TSPACEFAC System Variable [GstarCAD 2026](Help%20System/GSTARCAD/2026/Index.md) → [System Variables](Help%20System/GSTARCAD/2026/System%20Variables/(System%20Variables).md) **Function Description:** The TSPACEFAC system variable is used to control the line space for Mtext measured by text height. | | | | --- | --- | | Type | Real | | Saved in | Not saved | | Initial value | 1.0000 | | Range | 0.25 ~ 4.0 | --- [Original help](https://www.gstarcad.net/help/GstarCAD_2026_en-US/detail/systemVariables/TSPACEFAC.html) · © Gstarsoft Co., Ltd.