AutoCAD

How to Modify Dimensions in AutoCAD 2018?

Modifying Dimensions in AutoCAD 2025

Editing Dimension Text

To alter dimension text within AutoCAD, follow these systematic steps:

  1. Select the Dimension: Navigate to your drawing area and right-click on the dimension you wish to modify. This action brings up a context menu.

  2. Access Edit Option: From the context menu that appears, choose the “Edit” option. This will open the Edit Dimension dialog box.

  3. Modify the Text: In the dialog box, locate the text box containing the dimension value. Click on this text box to enable editing.

  4. Make Your Changes: Modify the dimension text as necessary. If required, you can also adjust the line justification or reposition the dimension line to better fit your design.

Overriding Dimension Properties

If you need to change specific properties, such as size or color, without altering the overall dimension style, utilize the following steps:

  1. Open Dimension Style Manager: Go to the Annotate tab on the ribbon and find the Dimensions panel. Click the dialog box launcher (the small arrow in the panel’s corner).

  2. Select a Dimension Style: In the Dimension Style Manager, choose the dimension style you wish to adjust and click on the “Override” button.

  3. Configure Overrides: The Override Current Style dialog box will appear. Here, you can change properties such as line color or text size. Proceed to make the desired adjustments.

  4. Finalize Changes: Once you have completed your modifications, click “OK” to save your changes.

Locating Edited Dimensions

To find and verify the dimensions you have altered in AutoCAD, follow these instructions:

  1. Use the Annotate Toolbar: Access the Annotate tab and select the “Edit Dimensions” option. Afterward, click on the “Check Dimensions” button.

  2. Review Command Line Feedback: After executing the check, the command line will indicate if any dimensions with text overrides were found.

  3. Edit as Needed: If any dimensions need further adjustments, you can highlight them and either edit directly or type “H” to highlight or “E” to edit the dimensions directly via the command line.

Changing Units in AutoCAD

If it’s necessary to switch between units, such as configuring your drawing to feet or inches, follow these steps:

  1. Open Units Settings: Type the command UNITS in the command line and press Enter.

  2. Select Unit Type: In the Units dialog box, choose the type of units you want to use. For architectural drawings, select “Architectural” and specify your desired precision.

  3. Set Insertion Scale: Make sure to configure the insertion scale correctly so that when you import drawings, they are scaled properly.

  4. Confirm and Save: Click “OK” to confirm your choices and apply the settings to your drawing.

Maintaining Consistent Spacing Between Dimensions

To ensure dimensions are uniformly spaced, follow this simple procedure:

  1. Access the Adjust Space Command: On the Annotate tab, locate the “Adjust Space” command, often overlooked but essential for this task.

  2. Adjust Spacing: Execute the command and follow any prompts to set consistent spacing between the selected dimensions.

  3. Finalize Adjustments: Review the uniformity of the spacing and make additional adjustments as necessary for a clean appearance.

FAQ

1. How can I reset dimension styles to default?
To reset dimension styles, access the Dimension Style Manager and select the style you wish to reset. Click on the “Reset” option to restore it to its original settings.

2. What should I do if my dimension text is not displaying correctly?
If the dimension text is not displaying as expected, check the dimension style settings and confirm that the text size and style are correctly configured. Also, ensure that the layer settings are not affecting visibility.

3. Can I customize dimension text appearance directly in the drawing?
Yes, you can customize dimension text appearance by selecting the dimension and using the properties palette to adjust font, size, and other formatting options directly without entering the Dimension Style Manager.

About the author

Wei Zhang

Wei Zhang

Wei Zhang is a renowned figure in the CAD (Computer-Aided Design) industry in Canada, with over 30 years of experience spanning his native China and Canada. As the founder of a CAD training center, Wei has been instrumental in shaping the skills of hundreds of technicians and engineers in technical drawing and CAD software applications. He is a certified developer with Autodesk, demonstrating his deep expertise and commitment to staying at the forefront of CAD technology. Wei’s passion for education and technology has not only made him a respected educator but also a key player in advancing CAD methodologies in various engineering sectors. His contributions have significantly impacted the way CAD is taught and applied in the professional world, bridging the gap between traditional drafting techniques and modern digital solutions.