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Cardio readings

‎12-12-2025 20:05

‎12-12-2025 20:05

I'm considering a new fitness tracking platform, my charge 6 sometimes doesn't pick up my cardio readings for the day, half way through the day its on 13, I usually pass that before I leave the house at 6:00am, some days its just not working. It makes me question how accurate the rest of the data .

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‎12-14-2025 09:40

‎12-14-2025 09:40

Hi @1874Al, welcome to the Fitbit Community! It's great to have you here! 

Let me help you with the cardio readings that are not being picked by your Charge 6.

To clarify, the 13 you are getting is related to your Cardio load?

If yes, let me tell you that like all heart rate tracking technologies, accuracy is affected by physiology, location of device, and your movements and activity.

To improve the accuracy of a heart rate reading through the day, you may follow the suggestions mentioned in our help article How do I track heart rate with my Fitbit device > How to improve the accuracy of a heart rate readin...

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