Answered By: Emilie Smart
Last Updated: Sep 15, 2015     Views: 500

According to an online BMI Calculator:

Body Fat Formula For Women
Factor 1 (Total body weight x 0.732) + 8.987
Factor 2 Wrist measurement (at fullest point) / 3.140
Factor 3 Waist measurement (at naval) x 0.157
Factor 4 Hip measurement (at fullest point) x 0.249
Factor 5 Forearm measurement (at fullest point) x 0.434
Lean Body Mass Factor 1 + Factor 2 - Factor 3 - Factor 4 + Factor 5
Body Fat Weight Total bodyweight - Lean Body Mass
Body Fat Percentage (Body Fat Weight x 100) / total bodyweight
 
Body Fat Formula For Men
Factor 1 (Total body weight x 1.082) + 94.42
Factor 2 Waist measurement x 4.15
Lean Body Mass Factor 1 - Factor 2
Body Fat Weight Total bodyweight - Lean Body Mass
Body Fat Percentage

(Body Fat Weight x 100) / total bodyweight
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Comments (2)

  1. Is there a difference on BMI between females and males, I noticed a <a href="http://www.bmicalculatorforwomen1.com">BMI Calculator For Women</a> so I was just wondering?
    by LTJ Holdings on Apr 03, 2012
  2. Good question! You'll see above that there are two different formulas for calculating BMI in women and in men. This is a non-standard approach.

    According to the CDC, BMI should be calculated in adults using the same formula irrespective of sex.

    http://www.cdc.gov/healthyweight/assessing/bmi/adult_bmi/index.html

    However, in general, BMIs are calculated differently between the sexes for children and teens.

    Does that mean that the above BMI calculators are incorrect? Not necessarily. BMI is a very broad measurement, it can be estimated in a mirror with some measuring tape and a calculator, or in a weight loss clinic with half a million dollar equipment designed to send exotic signals through one's tissues. There's a ton of wiggle room in between.

    For the most part, BMI is a rough estimate. While it does correspond with standards set for determining obesity, it does not necessarily correspond to fitness level.

    Please talk to a certified fitness professional before applying any BMI results to your lifestyle.

    For more information on BMIs check out this website:
    by Joelle Maurepas on Apr 03, 2012

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