Body Composition

ABSI (A Body Shape Index)

Computes A Body Shape Index (Krakauer 2012), a waist-based mortality risk index ...

ABSI Calculator

Calculate your A Body Shape Index (ABSI), a mortality risk predictor based on w...

BAI (Body Adiposity Index)

Estimates body fat percentage from hip circumference and height using the Body A...

BAI Calculator (Body Adiposity Index)

Calculate your Body Adiposity Index (BAI), an estimate of body fat percentage th...

BMI Calculator

Computes Body Mass Index (kg/m^2) from height and weight and classifies it again...

BMI Calculator

Free BMI calculator with NIH health categories, body fat estimate, and ideal wei...

Child BMI Percentile

Calculate BMI percentile for children and teens using CDC growth charts. Free pe...

BMI Percentile (Children, CDC)

Estimates BMI-for-age percentile for children and teens (2-20 years) using CDC L...

Body Fat Calculator

Calculate your body fat percentage using the U.S. Navy circumference method. Fre...

Body Fat % (Deurenberg Formula)

Estimates body fat from BMI, age, and sex using the Deurenberg 1991 prediction e...

Body Fat % (Durnin-Womersley 4-Site)

Estimates body fat from biceps, triceps, subscapular, and suprailiac skinfolds u...

Body Fat % (Jackson-Pollock 3-Site)

Estimates body fat from three skinfold measurements using the Jackson-Pollock 19...

Body Fat % (Jackson-Pollock 4-Site)

Estimates body fat directly from four skinfold sites (abdomen, thigh, triceps, s...

Body Fat % (Jackson-Pollock 7-Site)

Estimates body fat from seven skinfold sites and age using the Jackson-Pollock 7...

Body Fat % (US Navy Method)

Estimates body fat percentage from circumference measurements using the U.S. Nav...

Body Fat % (YMCA Method)

Estimates body fat percentage from waist circumference and body weight using the...

Body Roundness Index

Computes the Body Roundness Index (Thomas 2013), which models body shape from wa...

Body Shape Index (Risk)

Computes A Body Shape Index and an approximate mortality risk multiplier relativ...

BSA Calculator

Calculate Body Surface Area using Du Bois, Mosteller, Haycock formulas. Free BSA...

BSA (Du Bois)

Computes body surface area using the Du Bois & Du Bois 1916 formula....

BSA (Haycock)

Computes body surface area using the Haycock 1978 formula, validated in infants...

BSA (Mosteller)

Computes body surface area using the Mosteller 1987 simplified formula....

Conicity Index

Computes the Conicity Index (Valdez 1991), a waist-based shape measure of abdomi...

Conicity Index Calculator

Calculate your Conicity Index from waist, weight, and height. A validated indica...

Corpulence Index (Ponderal)

Computes the Corpulence (Ponderal) Index, weight divided by height cubed, an alt...

Durnin-Womersley 4-Site Skinfold Calculator

Estimate body fat percentage from four skinfolds (biceps, triceps, subscapular, ...

Fat Mass Index

Computes the Fat Mass Index, fat mass normalized for height, a body composition ...

FFMI (Fat-Free Mass Index)

Computes the Fat-Free Mass Index and normalized FFMI from weight, height, and bo...

FFMI Calculator

Calculate your Fat-Free Mass Index (FFMI) to measure muscular development. Free ...

Frame Size (Wrist Method)

Determines small, medium, or large body frame from height-to-wrist-circumference...

Frame Size Calculator

Determine your body frame size (small, medium, large) from wrist circumference o...

Ideal Weight (BMI-Based)

Computes ideal body weight as the weight corresponding to a target BMI (default ...

Ideal Weight Calculator

Find your ideal body weight using Devine, Hamwi, Miller, and Robinson formulas. ...

Ideal Weight (Devine)

Estimates ideal body weight from height and sex using the Devine 1974 formula....

Ideal Weight (Hamwi)

Estimates ideal body weight from height and sex using the Hamwi 1964 formula....

Ideal Weight (Miller)

Estimates ideal body weight from height and sex using the Miller 1983 regression...

Ideal Weight (Robinson)

Estimates ideal body weight from height and sex using the Robinson 1983 regressi...

Jackson-Pollock 3-Site Skinfold Calculator

Calculate body fat percentage from three skinfold measurements using the Jackson...

Lean Body Mass (Hume Equation)

Estimates lean body mass from height and weight using the Hume 1966 prediction e...

Lean Body Mass Calculator

Calculate your lean body mass (LBM) and fat-free mass from body weight and body ...

Rohrer's Index

Computes Rohrer's Index (ponderal index), a height-corrected measure of bod...

Rohrer's Index Calculator (Corpulence Index)

Calculate Rohrer's Index (Corpulence Index) from weight and height. A body ...

Waist-to-Height Ratio

Computes waist-to-height ratio, a screening measure of abdominal obesity using t...

Waist-to-Hip Ratio

Computes the waist-to-hip ratio and classifies cardiometabolic risk per WHO thre...

Waist-to-Hip Ratio

Calculate your waist-to-hip ratio (WHR) to assess abdominal fat and metabolic ri...