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Were both measuring HR or just one?
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Calories guesstimated by different devices. They're gonna be using different equations. Were they both off HR? Do you have weight accurate in both? Basically I would ignore any calorie estimations that aren't based off a PM.
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Is this Kcal or KJ?
I did 115km yesterday and I'm only getting about 500kcal -
The crap algorithms device manufacturers use to calculate calorie consumption.
When I was working for one, the algorithm team would happily admit that the calorie calculation was basically guess work.
Greenbank
hippy
PhilDAS
andyp
@ffm
I don't really use Strava for calorie counting, but I noticed a weird discrepancy around it. I recently went on 2 quite similar rides (50km, ~300m of climb, about 125 minutes). The first I tracked with a Garmin Edge 705; the second I tracked with a new phone. The first ride shows as having burned 2,085 calories; the second shows as 1,011 calories.
What could be causing that massive discrepancy?