# LWDEFAULT System Variable [GstarCAD 2026](Help%20System/GSTARCAD/2026/Index.md) → [System Variables](Help%20System/GSTARCAD/2026/System%20Variables/(System%20Variables).md) **Function Description:** The LWDEFAULT system variable is used to set the value for the default lineweight. | | | | --- | --- | | Type | Enum | | Saved in | Registry | | Initial value | 25 | The default lineweight can be set to any valid lineweight value in hundredths of millimeters, including: 0, 5, 9, 13, 15, 18, 20, 25, 30, 35, 40, 50, 53, 60, 70, 80, 90, 100, 106, 120, 140, 158, 200, and 211. All values must be entered in hundredths of millimeters. (Multiply a value by 2540 to convert values from inches to hundredths of millimeters) --- [Original help](https://www.gstarcad.net/help/GstarCAD_2026_en-US/detail/systemVariables/LWDEFAULT.html) · © Gstarsoft Co., Ltd.