HRM accurate?

Levedi
Levedi Posts: 290 Member
edited September 24 in Fitness and Exercise
Hi folks - I just came back from an hour hike using my new HRM. It's a New Balance N4 for women with a chest strap. According to the HRM I kept my HR in the intense zone the whole time and burned 707 calories. I'm skeptical. I can believe my HR was up there - that felt about right but I'm a little hesitant to think I really burned that many calories. I input hiking, cross country in the MFP calculator and it came back with 555 calories, which is still pretty high.

What number would you go with? Should I trust this HRM's calorie count?

Replies

  • fink21061
    fink21061 Posts: 53 Member
    I would go with the HRM. MFP is always way off.
  • bethvandenberg
    bethvandenberg Posts: 1,496 Member
    As long as you know that the HRM is set for you, with the target heart rate etc is correct, then I'd go with the HRM.
  • mielikkibz
    mielikkibz Posts: 552 Member
    i did the same thing yesterday, and yep, my HRM said it was up there. .. I used it for my part time job today(working at a boarding kennel), and a decent clip walk around the non flat front field in 90 mins, my HRM Monitor said i burned something like 780 calories?? I put in 500 just because I couldnt' believe that I did that much
  • dawnkitchen
    dawnkitchen Posts: 161
    HRM. It knows what your actual heart rate was the whole time. MFP is just an estimate.
  • sturgill
    sturgill Posts: 118
    I bought a hrm also - and have a hard time believing my calories - but why have one if you are not going to use it - so I just used the numbers:flowerforyou:
  • Eyvette1
    Eyvette1 Posts: 76 Member
    trust the HRM as long as you input your weight correctly into it. MFP tells me I burn 450cals and the HRM says 702. I know it is a big difference but that is why we buy the HRM's/ for accuracy.
  • lisawest
    lisawest Posts: 798 Member
    Another thing to consider is the calories that you would have burned if you slept for the amount of time you exercised. I don't usually worry about it if I'm only working for 30 min or so, but for anything over an hour I subtract it out.

    To figure your hourly burn, find your maintenance calories (if you're set to lose 1 lb per week, it's your daily allowance, plus 500) and then divide by 24.

    Just something to consider!
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