Body Composition Calculators

Use this adjusted body weight calculator to estimate a clinical reference weight used for dosing above ideal weight.

Use this Army body fat calculator to estimate your body fat percentage from your weight and abdominal circumference.

Use this BMI calculator to calculate your body mass index and see where your weight falls on the standard BMI scale.

Use this body fat calculator to estimate your body fat percentage from tape measurements using the U.S. Navy method.

Use this body roundness index calculator to estimate your body shape from waist circumference and height.

Use this body surface area calculator to calculate your BSA from your height and weight using the Mosteller formula.

Use this body type calculator to estimate your frame size from your height and wrist measurement, with an optional body-type label.

Use this child growth percentile calculator to find your child's height-for-age and weight-for-age percentiles.

Use this child height predictor to estimate your child's likely adult height from parental height and current stats.

Use this FFMI calculator to calculate your fat-free mass index, a height-adjusted measure of muscularity.

Use this ideal weight calculator to estimate your ideal body weight from your height and sex using a clinical formula.

Use this kids BMI calculator to estimate your child's BMI percentile for their exact age and sex.

Use this lean body mass calculator to estimate your LBM, the weight of your body excluding fat mass.

Use this reverse BMI calculator to find the weight needed to reach a specific target BMI at your height.

Use this visceral fat calculator to estimate your visceral fat risk from your waist and waist-to-height ratio.

Use this waist-to-height ratio calculator to compare your waist measurement with your height and assess body fat distribution.

Use this waist-to-hip ratio calculator to compare your waist and hip measurements and assess body fat distribution.

Use this weight loss percentage calculator to see what percentage of your starting body weight you've lost.