AutoCAD

How To Add Dimensions In AutoCAD 2020

Steps to Add Dimensions in AutoCAD 2025

Dimensional annotations are crucial in engineering and architectural drawings for clarity and precision. The following step-by-step guide illustrates how to add dimensions in AutoCAD 2025.

Accessing the Dimension Tools

  1. Open AutoCAD: Launch AutoCAD and load your drawing.
  2. Navigate to the Annotate Tab: At the top of the interface, locate and click on the Annotate tab.
  3. Select the Dimensions Panel: Within this tab, find the Dimensions panel which houses various dimension tools.

Adding Linear Dimensions

To create linear dimensions, follow these steps:

  1. Select Linear Dimension: Click on the Linear dimension icon from the Dimensions panel.
  2. Specify the First Point: Click to select the first extension line origin on the object you wish to dimension.
  3. Select the Second Point: Next, click to specify the second extension line origin.
  4. Position the Dimension Line: Move the cursor to place the dimension line at a desired location and click to set it.
  5. Edit Dimension Properties (if needed): If you need to modify the dimension, select it and adjust the properties in the dimension properties palette that appears.

Using AutoCAD to Automatically Add Dimensions

For a quicker method:

  1. Quick Dimension Tool: From the Dimensions panel, use the Quick Dimension tool.
  2. Select Objects: Click to select the objects you want to dimension. AutoCAD will automatically generate dimensions based on proximity and orientation.
  3. Adjust as Necessary: You can drag the dimensions to the desired locations for better visibility.

Customizing the Dimension Style

To ensure consistency across dimensions or to fit specific requirements, you might want to create a custom dimension style:

  1. Open Dimension Style Manager: Type DIMSTY in the command line to access the Dimension Style Manager.
  2. Create a New Style: Click on New to create a new dimension style.
  3. Name the Style: Fill in a name for your new style and click Continue.
  4. Modify Style Attributes: Explore the tabs in the dialog box such as Lines, Symbols and Arrows, and Text to set your preferred attributes.
  5. Finalizing Changes: Click OK to save your new dimension style.

Troubleshooting Visibility Issues

If dimensions are created but are not displayed correctly, consider the following:

  1. Layer Settings: Check that the layer used for dimensions is turned on. If it’s off, dimensions will not be visible.
  2. Dimension Style Layer: Ensure that the dimension style does not point to a hidden or turned-off layer.

Frequently Asked Questions

1. Can I change the unit of measurement in AutoCAD 2025?
Yes, you can adjust dimensions by modifying the dimension style settings. Access the dimension style manager, select your style, and under the Primary Units tab, you can change the unit format.

2. Is it possible to adjust the size of text in dimensions?
Absolutely. By selecting a dimension and opening the properties palette, you can change the text height to your desired value under the Text section.

3. How can I quickly adjust multiple dimensions at once?
Use the Properties Palette. Select all the dimensions you want to modify, then open the properties palette to make bulk changes, such as text height or style.

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.