Autodesk Inventor

How to Change Default Units in Autodesk Inventor?

Understanding Default Units in Autodesk Inventor

Setting the correct default units in Autodesk Inventor is crucial for ensuring accuracy in designs. Whether you’re working with metric or imperial measurements, changing these settings can help streamline your workflow and improve precision. The following step-by-step guide will walk you through the process of changing the default units within Autodesk Inventor.

Accessing the Document Settings

  1. Launch Autodesk Inventor: Open the application and load the project you are working on.

  2. Open the Document Settings: Click on the File tab located in the upper-left corner of the window. From the drop-down menu, select Document Settings. This will open up options for setting preferences related to your current document.

Changing the Unit Settings

  1. Select the Units Tab: In the Document Settings dialog, navigate to the Units tab. Here, you will see various options related to measurement settings.

  2. Choose Your Preferred Unit Types: In this section, you can select your preferred unit system. Options typically include metric units (millimeters, centimeters, meters) and imperial units (inches, feet). Click on the drop-down menu next to Units and select the desired unit system.

  3. Adjust Additional Settings: Depending on your choice, you may have the option to adjust specifications such as precision for different types of measurements, angle units (degrees or radians), and other relevant parameters. Take a moment to configure these settings according to your project requirements.

Applying Your Changes

  1. Apply and Save Changes: After making your selections and adjustments, click the OK button to save your changes. This will ensure that the newly selected units are applied to the current document.

  2. Verify Unit Settings: To make certain that your changes have taken effect, you can create a new sketch or part and check the dimensions. The unit type should reflect your settings in the document.

Tips for Managing Units

  • Switching Units Mid-Project: If you need to change unit types while working in a project, simply revisit the Document Settings and follow the steps outlined above; be aware that existing dimensions may automatically convert to the new unit system.

  • Customizing Tolerances: In addition to changing the units, you can set specific tolerances for dimensions within the same Document Settings dialog under the “Tolerances” section.

FAQ

Q1: Can I interchange units within a single Inventor document?
Yes, you can change units mid-project, but be cautious as this may affect existing dimensions. It’s advisable to plan your unit preferences before starting a project.

Q2: What happens to the existing dimensions when I change units?
When you switch unit systems, existing dimensions are automatically converted to the new system. Always double-check for accuracy post-conversion.

Q3: Are there any shortcuts for changing units quickly?
While there are no direct shortcuts for changing units, becoming familiar with the Document Settings dialog and its location will streamline the process. You can also create templates with preferred unit settings to speed up future projects.

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.