Open SiteMaster Kitchen.
Step 1: Go to Menu >> File >> Open

Step 2: Open the directory in the file explorer:
C:\Users\UserName\AppData\Roaming\SiteMaster Kitchen\19.4.5007\Template
Step 3: Set the drawing format to be opened to *.dwt.

Step 4: Open the file: SmDrawing Metric_mm.dwt
Step 5: Select Tools >> Options... from the menu.

Step 6: Choose Drafting Styles.

Step 7: Open the Demension section.

Step 8: Open the Text section and, under it, Text Settings.

Step 9: You can now set any numerical value in the Height field;
Recommendation 1 to max. 1.25 so that the dimensioning texts do not get too big.

Step 10: Apply the change by clicking OK.
Step 11: Click Save in the general toolbar for saving the template file:

Step 12: Close SiteMaster Kitchen.
The next time you open SiteMaster Kitchen, the settings will be applied.