AutoCAD

How To Change To Inches In AutoCAD?

Steps to Change Dimension Units to Inches in AutoCAD

Accessing the Dimension Style Manager

  1. Launch AutoCAD and open the drawing in which you want to modify the dimension settings.
  2. Type DIMSTY in the command line and press Enter. This command takes you directly to the Dimension Style Manager.

Modifying the Current Dimension Style

  1. In the Dimension Style Manager, locate and select the dimension style currently in use.
  2. Click on the “Modify” button to open the settings for that particular style.

Configuring the Primary Units

  1. Navigate to the “Primary Units” tab within the dimension style modification dialog.
  2. Change the “Unit Format” to "Decimal" to ensure the measurements are displayed in a straightforward numerical format.
  3. Set the “Precision” to 0 if you want the dimensions to be shown as whole inches.

Adding the Inch Symbol

  1. In the “Suffix” box, type the inch symbol (") to indicate that the measurements are in inches.
  2. Confirm your changes by clicking “OK” to exit the dialog and save your settings.

Changing Drawing Units to Inches

Accessing Drawing Setup

  1. Go to the “Utilities” menu and select “Drawing Setup.” This will bring up the drawing settings dialog.
  2. Click on the "Units" tab to access the unit configuration for your drawing.

Selecting the Desired Units

  1. Under the "Drawing Units" section, select "Inches" as your preferred unit type. This will set the drawing to use inches for all dimensions and measurements.
  2. If you are working with drawings imported from other unit systems, check the option to “Scale Objects Inserted from Other Drawings.” This ensures that items inserted from drawings with different unit types maintain proper sizing.
  3. Lastly, select the desired precision setting for your measurements and confirm your changes.

Converting Between Units

Changing Centimeters to Inches

  • For a direct conversion, if you need to convert centimeters to inches within AutoCAD:
    • Use a scale factor of 0.3937, as there are 0.3937 inches in a centimeter.

Directly Inserting Inches Based on Drawing

  1. Begin a new drawing with the acad template by typing acad in the command line.
  2. Open the Drawing Setup dialog by entering the UNITS command.
  3. Choose “Decimal” for the type and select “Inches” for the insertion scale.
  4. To insert existing drawings, use the INSERT command to attach files that may be in a different unit system.

Modifying Dimension Visibility

Adjusting Small Dimension Text

  • If you find that dimension text appears too small:
    1. Go back to the Dimension Style Manager and select the text height settings.
    2. Modify the text height to a larger value (for example, from 0.125 to 3.0625).
    3. Make sure that the text height in the style settings is set to 0, letting the dimension height control the text size universally.

Understanding Limits in AutoCAD

  • The “Limits” command helps define a visible rectangular boundary in your drawing area, which can help in managing the dimensions and layout effectively. You can set the limits by entering two opposite corner coordinates.

FAQ

How can I reset all units back to default in AutoCAD?

To reset units back to the default setting, type UNITS in the command line and choose the default options from the dialog. This may include setting to “Decimal” and selecting “Inches.”

Why aren’t my dimension changes reflecting in the drawing?

If dimension changes aren’t showing up, ensure that you’ve applied the modifications to the correct dimension style in the Dimension Style Manager. Also, check if the current active style matches what you’ve modified.

How do I check which version of AutoCAD I am using?

To check your AutoCAD version, click on the "Help" menu and select “About AutoCAD.” A window will show the current version information.

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.