1. Click File | Options.
2. Select User Interface from the list on the left.
3. On the right, change the Page units to Centimeters.
4. Click OK.

In Strater 1, go to File | Preferences and under the General Settings change the Page Units to Centimeters (instead of Inches) and click OK.

Then the scaling depth property for the view will read Scaling depth per centimeter.

Updated: January 4, 2019