3ds Max Unit Setup Settings

The Units Setup dialog establishes the unit display method, giving you the choice between generic units and standard units (feet and inches, or metric).

You can also create custom units, which are used whenever you create an object.

Default menu: Customize menu – Units Setup – Units Setup dialog

Alt menu: Scene menu – Tools (Scene Set) – Units Setup – Units Setup dialog

Alt menu: Customize menu – Customization – Units Setup – Units Setup dialog

The units that you set here are used to measure geometry in your scene. In addition to these units, 3ds Max also uses system units as an internal mechanism.

System units should only be changed before you create your scene or import a unitless file. Do not change the system unit in an existing scene.