Exercise calorie burn estimate

sunn_lighter
sunn_lighter Posts: 7,891 Member
edited November 2024 in Health and Weight Loss
I'm going to a indoor jump place with my kids, and I know I'll burn a ton of calories (we've gone many times before).

I have a heart monitor that tells me how many calories I'm burning while exercising. If I use it for a couple hours, and it tells me I burned 400 calories, do I add 400 exercise calories to my exercise log? Or do I need to subtract whatever my body would be burning normally (BMR) during that 2 hours and then add that amount?

I hope that makes sense, I couldn't find any articulate way to ask this question.

Replies

  • galgenstrick
    galgenstrick Posts: 2,086 Member
    If you're worried about adding too many calories, then add half is what the monitor tells you.
  • Unknown
    Unknown
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  • DeguelloTex
    DeguelloTex Posts: 6,652 Member
    I think most of the burn estimates are gross, not net, so they'd lead to double counting of the calories you'd have burned anyway. Given that the measurements are approximations, anyway, taking half so as to eliminate the double- and over-counting is probably about as accurate as any other method.
  • yarwell
    yarwell Posts: 10,477 Member
    The HRM is likely gross - see what happens if you sit still - so deducting say 70 cals/hr would compensate for that.
  • vorgas
    vorgas Posts: 741 Member
    HRM is going to be a poor estimate of calories burned in a jump place anyway. It is assuming steady state aerobics, and I doubt you will be either steady state or aerobic throughout your time at the jump place.

    But yes, most HRM calorie calcs are gross estimates, so subtract your bmr per hour from that.
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