Command: VPSCALE
Select edge of viewport: Select a viewport

The scale is displayed in one of three ways:

• If your current units are architectural, the result looks like this:

  PS:MS == 1:96
  Viewport Scale: 1/8" = 1'-0"
  

• If your current units are engineering, the result looks like this:

  PS:MS == 1:96
  Viewport Scale: 1" = 8'
  

• For all other units, the scale looks like this:

  PS:MS == 1:96