Fitbit -Active Calories

ankachinu

I have Fitbit charge 2.
Today was the second day I wore it and I am a little concerned about the calorie adjustment.
I did 30 mins brisk walk + climbed 22 floors ( and was out in the mall shopping for few hours) - based on these it shows adjustment of approx 800 which I find is way too much.
Usually when I used to update the calorie burned manually on MFP (run for an hour and 20 min yoga) it used to reach approx 600.
Now I am being very confused about my calorie burn and not sure if I should consume it back.

heybales

First couple weeks Fitbit is trying to decide when to use step-based calorie burn (best estimate for daily activity), and when you have crossed the line into exercise for HR-based burn (may be best for aerobic steady-state activities).

Your resting HR enters the picture, your awake resting does too.

The for calculating the HR-based burn, your resting again, and frequency/duration of workouts is used.

Until there are some good stats on that, you could have some daily activity being given HR-based calorie burn - so inflated.

The brisk walk and for sure stairs did it (unless you are so fit that stairs doesn't increase HR much).

Actually, even when it does decide what HR to to use - the stairs and walk likely would use HR-based anyway - but a better estimate.
Yoga isn't good with steps or HR for calorie burn - usually too low HR for good estimate - I'd suggest manually logging that on Fitbit still - unless it's only 2 x weekly for say 20 min.

Start noting some of the workouts and calorie burn given now, and compare to same workouts in 2 weeks to see.

For now - go for half as purely arbitrary figure - not because they are exercise calories.
In fact you could have no workout but very busy day and have a big very accurate adjustment.
You could have hard workout and rest a lot rest of the day and have no adjustment.

KonaKat

I believe Fitbit counts active minutes as 10 minute blocks of time or greater that are at 3+ METs (metabolic equivalent which meets the CDC's definition of physical activity). I just did 10 min and they were just walking so I didn't get awarded for it because it was not intense enough. I saw from my measured heart rate that I was not as elevated as it had been when earning the active minutes.

heybales

What your level of calorie burn happens to be to then classify the time (Active or not) doesn't have a bearing on the calorie burn.
Other way around.

So counting active minutes has nothing to do with these calorie adjustments OP is concerned with.

If you mean it could help quickly find some blocks of time with elevated calorie burn in order to confirm that was correct active time to earn it - then useful.