AutoCAD

How to Set Feet Units in AutoCAD?

Setting feet units in AutoCAD can be crucial for professionals who work with architectural designs or any project that requires accuracy in dimensions. Here’s a detailed guide on how to set your units to feet in AutoCAD 2025.

Step 1: Access the Units Command

Start AutoCAD 2025 and enter the command prompt. Type UNITS and hit the Enter key. This will open the Settings window where you can select the primary units you wish to use.

Step 2: Choose the Unit Type

In the Units dialog box, look for the "Type" drop-down menu. You will be able to see various unit types available. For projects that involve feet and inches, select “Architectural” from the list. This unit type is designed specifically to handle dimensions in feet and inches format.

Step 3: Set Insertion Scale

Under the same dialog box, locate the section labeled "Insertion scale." This option determines how objects inserted from other drawings are scaled. Choose "Feet" from the drop-down menu here to maintain consistency across your drawings.

Step 4: Adjust Precision Settings

Still within the Units dialog, it is important to define the precision for your drawings as well. Find the "Precision" option related to length measurements. Depending on your project’s requirements, you may set this to a fractional format like 1/16 or 1/32, which is common for construction documents.

Step 5: Confirm Your Changes

Once you have adjusted all necessary settings, click the "OK" button to apply these changes. You may need to redraw existing objects to see the updates reflected if they were drawn with different units.

Step 6: Set Drawing Limits

To ensure that your drawing environment matches your unit settings, it’s also advisable to establish drawing limits. Input the command LIMITS in the command line and press Enter. You will be prompted to specify the lower left corner of your drawing area—typically, (0,0) works well. Hit Enter, then specify the upper right corner based on the dimensions of your project, ensuring it accommodates the scale of your drawings accurately.

Step 7: Recheck Units

After setting everything up, double-check by drawing a simple line. Use the command LINE and click to start your line at the origin, dragging it to a point that represents a known distance in feet. Using this test, you can verify that the units are correctly set to feet.

Frequently Asked Questions

1. How can I switch from inches to feet in AutoCAD?
By following the steps above and ensuring that the drawing units are set to "Architectural," which uses feet and inches, you can seamlessly work in feet. Adjust the precision if needed for better accuracy.

2. What do I do if my measurements are not displaying correctly in feet?
If you notice discrepancies in measurements, go back to the Units settings and make sure that the insertion scale is set properly to "Feet" and your unit type is listed as "Architectural." Additionally, always check any imported drawings that might have their own unit settings.

3. Can I have both metric and imperial units in a single drawing?
Yes, it’s possible to utilize both unit types in a single AutoCAD drawing. You can create dimensions and annotations in different units by appropriately setting up dimension styles for each unit type and carefully managing the object properties.

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.