Body fat equation...check this out!

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  • mrb_9110
    mrb_9110 Posts: 189 Member
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    bump
  • BiloxiBelle
    BiloxiBelle Posts: 680 Member
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    I don't know...this formula puts me at just above 4%. I don't think that is possible. :noway:

    I think you made the mistake I first made. Reread this line: "Lean Body Mass Factor 1 + Factor 2 - Factor 3 - Factor 4 + Factor 5". They're not all plus signs.

    Haha!! You're right...that's what I did! I knew I had to have done SOMETHING wrong to get 4%!!! Thanks!!
  • awb_lrb
    awb_lrb Posts: 23 Member
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    bump 4 l8r :smile:
  • PNCTink
    PNCTink Posts: 232 Member
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    Thanks for this!! I added all the factors first too, but once I fixed it I was much lower in body fat than I thought I would be! :laugh:
  • paulaercksn
    paulaercksn Posts: 29 Member
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    For the math impaired, I found a website that will do this for you.

    http://www.fitwatch.com/qkcalc/body-fat-percentage-calculator.php
  • baisleac
    baisleac Posts: 2,019 Member
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    For the math impaired, I found a website that will do this for you.

    http://www.fitwatch.com/qkcalc/body-fat-percentage-calculator.php

    Ack! Fitwatch looks like the proper successor to Nutrawatch which was my favorite cal tracker of all time. I may have to switch. :sad:
  • spcopps
    spcopps Posts: 283
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    For the math impaired, I found a website that will do this for you.

    http://www.fitwatch.com/qkcalc/body-fat-percentage-calculator.php

    This website gave the same BF% as the formula listed if anyone is curious!
  • meanness67
    meanness67 Posts: 366 Member
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    Bump for later.
  • FrenchMob
    FrenchMob Posts: 1,167 Member
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    Or you could use one of the dozens of bodyfat calculators on the internet and use one of them. A whole lot easier

    Bingo!
  • Froggy1976
    Froggy1976 Posts: 472
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    Bump
  • chelledepriest
    chelledepriest Posts: 150
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    Bump!
  • sjdoman
    sjdoman Posts: 81 Member
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    Bump
  • baisleac
    baisleac Posts: 2,019 Member
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    Or you could use one of the dozens of bodyfat calculators on the internet and use one of them. A whole lot easier

    Bingo!

    Except most of them do not take build into account.
  • Kolohe71
    Kolohe71 Posts: 613 Member
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    Being the nerdy engineer that I am, I converted these to spreadsheet formulas that automate the process and give color coded indications of where you stand.

    Message me, and I'll try to send it to anyone interested.
  • jkleman79
    jkleman79 Posts: 706 Member
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    Yea the not taking into account your size is the reason I posted that one...all the other ones are lame in my opinion. Every BODY is different and it needs to take into account different things. Like the one I used to use that says I am Obese with a healthy waist line...ummm ok. So am I healthy or obese?
  • Mommyof3texans
    Mommyof3texans Posts: 347
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    Wow, so the body fat scale I just bought recently is like 10% more than this calculation and the calculators online..is the scale that far off? I thought it must be, since I find it hard to believe at 140lbs I'm obese as my scale would indicate.
  • shaunshaikh
    shaunshaikh Posts: 616 Member
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    The formula for men can be reduced to just one line:

    -0.082 - 94.42/[Weight] + 4.15*[Waist]/[Weight]

    FWIW, I measure my body fat on a BIA analyzer and it says I'm about 18-19%. This tells me I'm 19.7%. Whatever, still interesting to look at.
  • shaunshaikh
    shaunshaikh Posts: 616 Member
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    Ha, using that formula, I decided to see what my waist would be if I went down to 11% body fat while losing only fat and maintaining the same lean mass. It calculated my waist to be just a hair over 30, which is what pants I wore when my body fat was that low. Interesting!
  • NYCDutchess
    NYCDutchess Posts: 622 Member
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    Bump...Thx for the info. I'll have to go take some measurements.
  • muffintopteri
    muffintopteri Posts: 83
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    Bump

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