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 face shape calculator using forehead, cheekbones, jawline and face length to classify your face as oval, round, square, heart or diamond.

Estimate your conception date, due date, and gestational age using due date or LMP with this free conception date calculator.

Predict your next period start/end, ovulation day, and fertile window from LMP and cycle length with this free period calculator.

Calculate INR instantly using patient PT, control PT, and ISI. Fast, accurate, and mobile-friendly INR calculator online.

Convert mmol/L to mg/dL (or mg/dL to mmol/L) instantly using molar mass. Includes glucose presets + custom molecules. Live, accurate, simple.