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2015-03-02 12:21 PM

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Subject: BT calories calculation vs. bike trainer program's kcal

Question how does BT calc the calories from a bike file upload?  Below is a snip from my log showing the Trainer program's expenditure as 565 kcal (or kjoules as verified with another program), but when the file is uploaded BT is stating 756 calories, a diff of 191.  I've read a few items stating to use 1:1 or 1:1.1 kjoules:cal as the calorie expenditure.  This would be 565 to 621, still less than the BT 756.  I only care about this as I'm currently tracking daily food intake & exercise calorie expenditures.  Granted its not a huge difference but enough to wonder if I can have another snack or not!

BTW the BT run calories calc is a very close match to my watch and the food app I'm using.  The bike trainer results for each all differ with from one other and I discount the food app for cycling based on a number of comments I've read.

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2015-03-03 8:48 AM
in reply to: Donto

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Subject: RE: BT calories calculation vs. bike trainer program's kcal

I would have to say that in your case (using watts), that your number will be more accurate.  BT's calc is full of more assumptions and generalizations.  Let me think of a good way to possibly over-ride a particular calories burned number - or allow the user to put their own in.

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