How to Change Decimal Places in Sketch. The sketch dimension settings are based off of the selected Drafting Standard. The Drafting Standard/Preferences can only be changed in Drafting application.
SolutionTo save time, instead of switching to Drafting to change Drafting Standard/ Preferences , while in Modeling, select Menu-> Preferences-> PMI.
Under Dimension-> Text-> Units you can change the decimal places there and any new sketch dimensions will use this setting. This will also apply to any new Drafting dimensions.
In Drafting, you can select Menu-> Preferences-> Drafting. Under Dimension-> Text-> Units you can change the decimal places there and any new Drafting dimensions will have the new decimal places.