Dimension

How do I change dimension units from inches to mm in AutoCAD for Mac?

Changing dimension units in AutoCAD can be a bit tricky if you’re not familiar with the software, especially when you’re switching from inches to millimeters. I remember when I first tried to make this simple adjustment; it seemed complicated at the time. However, once I figured it out, it became much easier. Let me take you through the steps to change dimension units from inches to mm in AutoCAD for Mac.

To start changing the units, the first thing you need to do is click on the ‘AutoCAD’ menu at the top-left corner of your screen. From there, navigate to ‘Preferences.’ This will open a new window with several options. Look for the ‘User Preferences’ tab and click on it. You’ll then see a section called ‘Units.’ Here is where the magic happens! Under the ‘Units’ drop-down menu, you can select ‘Metric.’ Once you do this, your dimensions will automatically adjust to millimeters.

Now, let’s take a closer look at how to set up your drawing units effectively. Follow these steps:

  1. Access Preferences:
    • Click on the AutoCAD menu.
    • Select Preferences.
  2. Select User Preferences:
    • Navigate to the ‘User Preferences’ tab.
  3. Change Unit Type:
    • In the Units section, choose ‘Metric’ from the drop-down.

It’s as simple as that! However, it’s important to note that this change primarily affects new drawings. If you have existing drawings, you might still need to update the dimension styles to reflect the change.

If you’re like me and enjoy seeing things side by side for a better understanding, here’s a quick comparison of dimension types before and after changing them:

SettingBefore (Inches)After (MM)
Dimension Style1’-6”457.2 mm
Linear Dimension20”508 mm
Area Measurement100 sq. in.645.16 sq. cm

Finally, don’t forget to check your dimension styles. Sometimes, even after changing the units, the styles can still display the old measurements. To do this, go to the Dimension Style Manager (you can access this by typing DIMSTYLE in the command line). Create a new style or modify an existing one to ensure it shows measurements in millimeters. And voila! Your drawing is now set to represent dimensions in the metric system.

Conclusion: Changing dimension units from inches to mm in AutoCAD for Mac is a straightforward process once you know where to look. By following these steps, you’ll be able to work with millimeters seamlessly in your designs. If you ever find yourself stuck, remember this guide, and you’ll be back on track in no time!

Frequently Asked Questions:

  1. Can I convert my existing drawings to millimeters easily?

    • Yes, you can change the units in your preferences, but you may need to update the dimension styles to reflect the new measurement system.
  2. What happens to dimensions if I switch back to inches later?

    • Switching back will change the primary unit, but existing dimensions may still show in millimeters, requiring you to adjust the styles again.
  3. Is it possible to have drawings in two different units?
    • AutoCAD doesn’t support different units within the same drawing directly, but you can create separate layouts in different unit settings if needed.