Estimate your child’s future adult height using Khamis–Roche or mid-parental method. Works in cm/kg or ft/in/lb. Fast & free.

Calculate your A Body Shape Index (ABSI) from height, weight and waist circumference. Understand your body shape risk instantly with this free online ABSI calculator.

Free cholesterol ratio calculator. Enter total, HDL, LDL and triglycerides to get TC/HDL, LDL/HDL, TG/HDL, non-HDL and estimated LDL in seconds.

Use our FFMI calculator to estimate fat-free mass, FFMI, and normalized FFMI from your weight, body fat percentage, and height. Instantly see your muscle category.

Calculate adjusted body weight (AjBW) using Robinson IBW + 0.4× rule. Easy AjBW calculator for obese patients, ideal body weight and dosing weight in kg or lb.

Use our waist-to-hip ratio calculator to quickly assess your body shape and health risk. Supports cm and inches, with separate cut-offs for men and women.

Free ideal weight calculator using the Devine formula. Enter your height and weight to find your ideal body weight in kg and lb instantly.

Free body fat calculator using U.S. Navy and BMI formulas. Enter height, weight and measurements in cm/in or kg/lb to estimate body fat percentage.

Free lean body mass calculator using the Boer formula, with an optional body fat% method. Enter your weight and height in kg/lb and cm/in to estimate LBM and fat mass.