How to change the unit of measure of my activity tracker? May 21, 2016 08:26 Updated Please go to the Setting Menu / Settings and click Units to change the unit of measurement in Miles or Kilometers. Related articles How do I change unit of measurement? My smartwatch is paired but it does not sync, what can I do? How do I set the time (calibration) on my ZeTime? My step count doesn't seem accurate or doesn't appear on the ZeTime App, what should I do? How to customize the display of my ZeRound?