If you are concerned about your health because of body fat or otherwise, please consult a medical professional. The formula thus differs slightly for males and females:īe sure you are using the same units for height and waist circumference Healthy Body Fat Percentageĭisclaimer: nothing on DQYDJ is health advice. Body Fat Percentage Estimate FormulaĪdult men and women have different base levels of muscle, essential fat, and fat distribution and it is reflected in the formula. Measure to the exact highest point on the head.
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Height measurement from the 2015-16 NHANES Field Manual Gaze should be forward, with the ear hole aligned with the bottom of the pupil (you most likely do this by default, but make sure your/the gaze is straight ahead).
Height should be measured with the buttocks, upper back, and back of head touching a flat vertical surface. Take the measurement at the peak of an exhale, which will be the smallest measurement. The ilium is the largest and highest bone in the hip: Waist measurement location from the 2015-16 NHANES Field Manual
Your tape should stretch around the body at the level of the top of the left and right ileum on the hip. Take a Waist Measurementįor the waist measurement, you'll need a flexible measuring tape such as this one from Amazon. You can read the 2015-16 guides for each measurement section here – check Anthropometry for the details. The RFM formula (basis for this tool and short for Relative Fat Mass) is based on 1999-2006 NHANES measurement microdata. Measure Your Height and Waist Circumference Use a caliper such as this one for more accuracy. Note that for low body fat percentages – DXA estimates under 14% or so male and 24% female – the RFM estimate might be high. Complete measurement instructions are given below the tool. Measure your height and waist in either meters and centimeters or feet and inches, enter your sex, and hit calculate for an estimate. It uses wa ist to height ratio to estimate body fat percentage either measured by caliper or DXA scan. On this page is a Body Fat Estimate Calculator.
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