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Basal Metabolic Rate Calculation



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    So this was the reply I received.


    The watch shows calories from a user's BMR (Basal Metabolic Rate - an estimate of the amount of calories needed at rest so that the body can function) in addition to calories burned from exercise. This is why the watch will show calories before any exercise is done.

    Please know that the watch calculates calories based on:

    • steps taken
    • activities the user has performed (running, swimming, etc.)
    • profile information (gender, weight, height, and age)


    • Heart Rate is not taken into account for burned calories
    • Manually entered activities are not shown on the ScanWatch, even though they appear in the app
    • If an activity detected by the ScanWatch is modified in the Health Mate app, the calories will be updated on the app, but not on the watch
    • This results in a variance between what is shown on the ScanWatch and what is shown in the HM app


    So I take this to mean that the watch (and presumably the HM app) apply your baseline BMR to your reports. So my baseline BMR (if I was lying completely still and doing nothing) is esteemed to be about 1,700 cals per day. The reality is no one (except perhaps someone in a coma) does this. In reality my BMR is probably nearer 2,200 - 2,300. So the HM app starts with a deficit of 500 - 600 calories.Then they say the heart rate has no impact on counting of burned calories, so only logged activity is counted towards calories burned. 

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