Calories Burned - Overstated
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Been wearing my S9B and my Whoop 24/7 for about a week now using the Whoop as a HRM when performing activities.
Results have been that I’m consistently seeing about double the calories burned reported by the S9 as I am by the Whoop. While I will say that Whoop is pretty cloak and dagger w their algos and metrics (can’t even see my generated HR max for example), the Whoop values seem to be more in line.
For example - weight lifting session this morning. Nothing crazy, RPE of maybe 4-5 for a strength session. 45 minutes long, S9B calculated almost 400kcal while Whoop was only 128.
I believe S9B calories are calculated using age/weight and not set HR zones. Is this true? Otherwise, is it possible to manipulate to bring it back down to a more “normal” type amount?
Always carry a flaggon of whiskey for snakebite; and furthermore, always carry a small snake.
User of pretty much every watch since the Ambit 3 Peak. Now back in the family w SV2 :)
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Just remember that S9 does include metabolic calories too, not only active calories
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@sartoric it’s the active calories that I’m not so sure on. Rest of the day looks close enough.
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@stromdiddily
I mean that 400 includes the active ones AND the metabolic calories burnt during the training.
So if Whoop measure only active ones , you’ll surely find differences -
keep in mind that it is based on HR but differnt sport modes have different tuning
Community Manager / Admin @Suunto
Creator of quantified-self.io a portal that allows you to analyze your data from various providers, upload fit activity files to Suunto app, gpx routes and more… -
In my tests, I made the experience that Garmin and Suunto deliver almost identical values and Polar significantly more. I don’t think they can really measure their calories exactly.
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@Kurt68 no they can’t. I also heard that our bodies adapt to exercise to a point where total daily calories consumption is the same if we have an active lifestyle or not. Will link to sources later
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@stromdiddily I was hungry after my last race in March, the watch said I burned 3639 kcal so I believed it.
Vector/T6c/Vertical 2 Ti
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This is the material I was talking about. The page contains the podcast, plus links to articles. Very interesting (according to me).
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@Dimitrios-Kanellopoulos oh OK. Thought it was based off of the body metrics. Don’t think there is a weights specific profile but perhaps I could create a running specific then play around w the default values
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@Brad_Olwin did a 9 hour backcountry trip and feeled pretty hungry after that, too. In General I think the calculation works for when seeing on my activity level and how many calories I eat
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@Stefan-Kersting said in Calories Burned - Overstated:
@Brad_Olwin did a 9 hour backcountry trip and feeled pretty hungry after that, too. In General I think the calculation works for when seeing on my activity level and how many calories I eat
Envious!!! Our snow is dangerous now and not deep enough but soon…I feel the same way after a long SkiMo
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