@RickGaspa I'm sorry that no one replied to your question sooner. You don't say whether you use an Aria or Aria 2. This is the path for an Aria 2. Tap on your profile picture on your mobile app > your scale tile > People Using This Scale > your name > make sure Show BMI is toggled to On.
Laurie | Maryland
Sense 2, Luxe, Aria 2 | iOS | Mac OS
Take a look at the Fitbit help site for further assistance and information.
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