How to Change Dimension from Mm to Feet in AutoCAD

Changing Dimensions from Millimeters to Feet in AutoCAD

When working in AutoCAD, projects may require unit changes, especially when converting dimensions from millimeters to feet. Follow the steps outlined below to seamlessly transform your dimensions into the desired unit.

Accessing the Units Settings

1. Launch AutoCAD 2025: Start the application on your computer.
2. Open a Drawing: Begin with the drawing in which you want to change the units.

Adjusting Drawing Units

1. Open the Drawing Setup: Navigate to the Format menu, then select "Drawing Setup."
2. Select the Units Tab: In the Drawing Setup dialog box, click on the tab labeled "Units."

Modifying Unit Formats

1. Change Drawing Units: Locate the settings for "Drawing Units." From the dropdown menu, select "Feet" as your desired unit type.
2. Set the Precision: Decide on the precision you want for your dimensions. This can usually be set to fractions based on architectural standards (e.g., 1/16).
3. Confirm the Changes: Click "OK" to save your modifications and exit the dialog.

Updating Dimension Styles

1. Access Dimension Style Manager: Type DIMSTY in the command line and hit Enter.
2. Select Current Style: Identify the dimension style you are currently using from the list presented.
3. Modify Dimension Style: Click on the "Modify" button to make changes to the selected dimension style.

Configuring Dimension Units

1. Go to Primary Units: Navigate to the “Primary Units” tab within the Modify Dimension Style dialog box.
2. Set Unit Format: Choose "Architectural" as your unit format to reflect feet and inches.
3. Adjust Suffix: An inch symbol can be added in the Suffix box if needed.
4. Finalize the Changes: Click "OK" to apply the new settings and close the Dimension Style Manager.

Reviewing and Applying Changes

1. Validate Dimensions: Check various dimensions in your drawing to ensure they are now displayed in feet.
2. Save Your Drawing: Once all units are verified, save your drawing to preserve the changes made.

FAQ

How do I convert dimensions while drawing in AutoCAD?
You can set your drawing units before starting your drawing using the Drawing Setup dialog, or you can convert existing dimensions using the command line with the appropriate unit command.

What happens if I import models in the wrong units?
When importing models, ensure to set the correct units in AutoCAD. Imported dimensions may display incorrectly if the source model was created in a different unit system.

Can I switch back and forth between unit types easily in AutoCAD?
Yes, you can switch unit settings at any time from the Drawing Setup options. Make sure to adjust the dimension styles accordingly to ensure the display unit matches your preferences.