Body Composition & Metrics
Understand your body better with these composition and metrics calculators. Measure BMI, estimate body fat percentage, determine your ideal weight range, and assess body proportions using validated scientific formulas.
BMI Calculator
Calculate your Body Mass Index using weight and height with WHO classification categories.
Body Fat Percentage Calculator
Estimate your body fat percentage using the US Navy circumference-based method.
Ideal Body Weight Calculator
Find your ideal body weight range using Devine, Robinson, Miller, and Hamwi formulas.
Lean Body Mass Calculator
Calculate your lean body mass (fat-free mass) using the Boer and Hume formulas.
Waist-to-Hip Ratio Calculator
Assess health risk based on waist-to-hip ratio with WHO risk classification thresholds.
Body Surface Area Calculator
Calculate body surface area using the Du Bois and Mosteller formulas.
Frame Size Calculator
Determine your body frame size using the height-to-wrist circumference ratio.