This article will resolve tile grout not being calculated effectively in MeasureSquare 8.
For all versions of MeasureSquare 8
Reason for Grout not Calculating and the Solution:
The default grout width may be set to 0" in the tiling menu, and you need to right click on the tiling in question, select view modify and choose your new grout width.
Step 1: Select Tiling
Step 2: Select View/Modify Details
Step 3: Select Grout Width
Step 4: Modify Grout Width, and Save
Step 5: See Grout Calculation change