Body calculators
18 calculators Adjusted Body Weight Calculator Find adjusted body weight, nutritional body weight, ideal body weight, %IBW, BMI and BSA from sex, height and weight. Choose Devine, Robinson, Miller or Hamwi.
Open Body Fat Calculator Estimate body fat percentage with the U.S. Navy tape method plus a BMI cross-check. Get fat mass, lean mass, your age-based ideal, and fat to lose to reach it.
Open Body Frame Size Calculator Find your body frame size, small, medium or large, by the wrist ratio or elbow breadth method. Sex-specific result plus a frame-adjusted healthy weight range.
Open Ideal Weight Calculator Find your ideal body weight from five clinical formulas plus the healthy BMI weight range, with frame size adjustment, a target BMI weight and a current weight check.
Open Lean Body Mass Calculator Estimate lean body mass from height, weight and sex using the Boer, James or Hume formula, or from a known body fat percentage. See lean mass, fat mass and lean percent.
Open Ponderal Index Calculator Calculate the Ponderal Index (mass over height cubed) for adults or newborns in metric or imperial units, with the reciprocal index, BMI comparison and clear bands.
Open Waist-to-Height Ratio Calculator Find your waist-to-height ratio (WHtR), see your Ashwell shape-chart category, and get the healthy waist range for your height. Metric or imperial, plus a target mode.
Open Waist-to-Hip Ratio Calculator Find your waist-to-hip ratio and WHO risk band, plus body shape, waist-to-height ratio, and the waist-size warning, in metric or imperial with show-your-work steps.
Open ABSI Calculator - A Body Shape Index Calculate your A Body Shape Index (ABSI), z-score, and relative mortality risk in metric or imperial units. Based on NHANES data from the Krakauer 2012 study.
Open BAI Calculator - Body Adiposity Index Calculate your Body Adiposity Index (BAI) from hip circumference and height. Get your body fat percentage estimate with sex- and age-specific categories.
Open Bedridden Patient Height Calculator Estimate bedridden patient height using knee height, demi-span, arm span, or ulna length. Chumlea, Cereda, Gray, and BAPEN formulas. Metric and imperial units.
Open Body Shape Calculator Enter bust, waist, high hip and hip measurements to find your body shape - hourglass, triangle, rectangle and more. Metric and imperial, instant results.
Open BSA Calculator - Body Surface Area Calculate body surface area using Du Bois, Mosteller, Haycock, Gehan & George, or Fujimoto formulas. Metric and imperial units, clinical reference ranges.
Open Face Shape Calculator Find your face shape from four simple measurements. Enter forehead, cheekbones, jaw width, and face length to get your shape, plus hair, glasses, and makeup tips.
Open FFMI Calculator (Fat-Free Mass Index) Calculate your Fat-Free Mass Index (FFMI) and normalized FFMI in metric or imperial. Includes sex-specific categories, the drug-free upper limit, and a full worked breakdown.
Open Karvonen Formula Calculator Calculate your personalised heart rate training zones with the Karvonen formula. Enter your resting and max heart rate to get all 5 zones instantly.
Open RFM Calculator (Relative Fat Mass) Calculate your Relative Fat Mass (RFM) using height and waist circumference. The 2018 Woolcott formula is more accurate than BMI. Get your body fat category instantly.
Open Skinfold Body Fat Calculator: Jackson-Pollock 3-Site and 7-Site Calculate body fat percentage from skinfold calipers using the Jackson-Pollock 3-site or 7-site equation. Get your ACE category, fat mass, and lean mass instantly.
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