3Ds Max - Unit
To change the units of the page of 3DS MAX like Length, Breadth or height Unit is used. It is used for the unit setup of whole page so that the design must be in proper units like Millimeter, Inch or Feet etc.
Step 1: First of all, right click on Customize menu, then click on units setup.
Figure 2 UNIT Setup command
Step 2: After that, select any type unit like Metric, or US Standard.
Figure 3 Unit Type