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Garmin vs MFP Calorie Burn Estimations

johnknappcc
johnknappcc Posts: 28
edited January 22 in Fitness and Exercise
Just got the Forerunner 910xt triathlon version. I've taken it for a moderate pace 5mi run, and a fast pace 22 mile ride on the road bike. Given that the Garmin has my weight, heart rate, and a bunch of other stuff, I'm assuming it's more accurate than the mfp estimations.

Up until now I was using a polar ft60, and it's calorie burn estimations were fairly close to the mfp estimations, but the garmin's are 25% less than mfp.

Gamin says my last bike ride, 22 miles, 75 minutes, avg pace 17.4 mph burned 903 calories, but mfp said it should be closer to 1200 calories.

I just put the lesser down, but it seems odd to me that the algorithms would be that much different between the garmin, the polar, and mfp.

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