# DCRADIUS Command [GstarCAD 2027](Help%20System/GSTARCAD/2027/Index.md) → [Commands](Help%20System/GSTARCAD/2027/Commands/(Commands).md) → [D](Help%20System/GSTARCAD/2027/Commands/D/(D).md) ## Function Description: Constrains the radius of a circle or an arc. ## Command Access: Icon: ![](Help%20System/GSTARCAD/2027/assets/f59ddda24cdb721b4bb810177bbd173ccf2febafc109fe9f17002fcd69f6b268.png) Menu Item: Parametric(P) > Dimensional Constrains(D) > Radius(R) Ribbon: Parametric > Dimension > Radius Toolbar: / Command Line: DCRADIUS Command Alias：/ ## Command Prompts: ``` Select arc or circle: Specifies an arc or a circle to be constrained. ``` ``` Specify dimension line location: ``` ## Operation Steps: 1、Select circles as shown to add radius constraints. 2、The radius of the circle will be constrained. ![](Help%20System/GSTARCAD/2027/assets/870f5ec20673d4ebec1678b54666d1491607031264c219083e0095dee524838e.png) --- [Original help](https://www.gstarcad.net/help/GstarCAD_2027_en-US/detail/commandReferences_D/DCRADIUS.html) · © Gstarsoft Co., Ltd.