Autodesk Inventor

How to Change to MM in Autodesk Inventor?

Changing Measurement Units to Millimeters in Autodesk Inventor

Step 1: Open the Document Settings

To adjust the unit of measurement in Autodesk Inventor, you first need to access the document settings. Begin by opening your part or assembly file. From the top menu bar, navigate to the Tools tab. Within this section, look for the Document Settings option and select it to proceed. This area allows you to modify various configuration options related to your document.

Step 2: Access the Units Configuration

Once you’re in the Document Settings, you’ll find several categories to choose from. Among these options, locate the Units section. This is where you can set your preferred unit of measurement.

Step 3: Select the Desired Measurement Unit

After clicking on the Units section, a list of available measurement units will be displayed. Here’s where you’ll select millimeters as your unit of choice. For instance, if you want to switch from inches to millimeters, click on the option for millimeters. Make sure to carefully review the options provided so that you select the correct unit based on your project requirements.

Step 4: Confirm Your Changes

After making your selection, look for the OK button to confirm and save your changes. It’s essential to ensure that your unit settings are applied, as this will affect all dimensions and measurements within your current document.

Step 5: Verify the Changes

To ensure the changes took effect, you can create a sample dimension in your document. Use the dimension tool to check that measurements are now displayed in millimeters. This step is crucial as it confirms that your settings are correctly applied.

Step 6: Save Your Document

Once you’re satisfied with the unit change, remember to save your document. This guarantees that your settings are not lost and will remain active the next time you open the file.

Frequently Asked Questions

1. Can I switch between units after creating a model?

Yes, you can change the units at any point during the project. However, it’s recommended to do this before creating significant dimensions to avoid potential confusion with size references.

2. What should I do if dimensions appear incorrectly after changing units?

If dimensions seem off after switching units, check if you have correctly selected the desired unit. Additionally, you may need to adjust existing dimensions manually to match the new unit system.

3. Are there default units set when I start a new project in Inventor?

Autodesk Inventor typically defaults to inches when creating new projects. Be sure to set the desired units at the beginning of your project to avoid having to convert later on.

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.