In order to make Smart Flow more specific to your hospital preferences, you can create new parameter indicating the units of measurement in its name, e.g. Weight kg. Then the parameter can be added to the Treatment Template as usual:
So that the parameter will look as you wish on the flowsheet:
Once you execute it, make any changes or put a note into the cell, this action will be saved in the patient's Medical Records file:
Now, along with the date, time of execution and entered note you can see the units of measurement (e.g. kg) for the parameter.