Is this possible? I'm confused... Again.

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I just got done a 2hr workout. I did Bob Harpers inside out method DVD and got on my treadmill. I got a heart rate monitor yesterday so that I could try to get a more accurate read on what I'm burning. I was definitely pushing hard and sweating... Out of breath, whatever. According to MFP and my treadmill I burned over 1000 calories. According to my heart rate monitor I only burned 616. Is this possible that there would be such a drastic difference? I believe I'm using it right, calibrated it with my age, weight and height. Everything I'm seeing is that the HRM sometimes shows more calories burned than MFP. Fanks in advance.

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  • pastryari
    pastryari Posts: 8,646 Member
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    I would trust the HRM over the MFP database or machines.
  • vtmoon
    vtmoon Posts: 3,436 Member
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    Ya each depends on their own formula, I would go with the heart monitor tend to be more accurate cause it bases it on how hard your heart is working, MFP is using an average.
  • Zaggytiddies
    Zaggytiddies Posts: 326 Member
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    That sucks. I had suspected that MFP overestimated but not by that much.

    I know at least for the treadmill part my average heart rate was 158bpm
  • aj445
    aj445 Posts: 183 Member
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    Definitely go by the HRM. Machines always seem to overestimate.
  • DavPul
    DavPul Posts: 61,406 Member
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    I would just check the scale weekly to see if I'm progressing toward my goals and make adjustments based on that, not MFP, the machine, or the HRM.
  • SteelersFan7
    SteelersFan7 Posts: 217 Member
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    My calorie count with my HRM is always about half of what MFP says it should be. I trust my HRM over MFP because it continuously monitors my heart rate during my workout. I know it sucks to burn less than what you think you've burned, but it will make you weight loss goals easier to reach because your caloric burns are more accurate.
  • seena511
    seena511 Posts: 685 Member
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    shockingly enough for me, my HRM burns and MFP burns are usually quite similar. sometimes my HRM estimate is a little higher, sometimes a little lower. your HRM is more accurate becuase it's measuring your intensity better at every moment - and not just how fast you're going or the incline, how hard your heart is actually working to fuel your movements. it can be a great way to make sure that you keep your intensity up during your workout...if you see your HR slipping down past a certain point, pick it up!!
  • BigDougie1211
    BigDougie1211 Posts: 3,530 Member
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    shockingly enough for me, my HRM burns and MFP burns are usually quite similar. sometimes my HRM estimate is a little higher, sometimes a little lower. your HRM is more accurate becuase it's measuring your intensity better at every moment - and not just how fast you're going or the incline, how hard your heart is actually working to fuel your movements. it can be a great way to make sure that you keep your intensity up during your workout...if you see your HR slipping down past a certain point, pick it up!!

    I'm the same, it's nice to know I'm not a weirdo.