Heart rate monitors and BMR

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Skinnyfoodie1
Skinnyfoodie1 Posts: 8
edited March 4 in Health and Weight Loss
Does anyone know how accurate the heart rate monitors are for measuring BMR? I use the Polar ft4 and tracked it for a 24 hour period. It says I burn around 4000 calories in a day (450 came from a workout). I know these aren't as accurate when you aren't exercising and just resting, but that seemed high.

Is that even realistic and if not, how can I get an accurate calculation?

I am 5'4 - age 38- 130 pounds - workout 6-7 days a week with HIIT or cardio strength interval training for an hour

Replies

  • WalkingAlong
    WalkingAlong Posts: 4,926 Member
    It won't be accurate at all. Your best bet is just using an online calculator unless you want to go to a lab and have your RMR tested.

    Your BMR is unaffected by your activity level. At your size, the online calculators should be pretty accurate.
  • cwolfman13
    cwolfman13 Posts: 41,865 Member
    Your BMR is just the calories your body requires to exist...a HRM is going to be useless for that...your BMR is not affected by your activity. I think also that you may be confusing BMR and TDEE. A HRM would also be useless for determining your TDEE as well.
  • Skinnyfoodie1
    Skinnyfoodie1 Posts: 8
    How do you calculate TDEE?
  • WalkingAlong
    WalkingAlong Posts: 4,926 Member
    MFP estimates it. There are lots of other sites online that do, too.

    http://iifym.com/tdee-calculator/
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