Body Metrics Calculators
Calculate BMI, ideal weight, body fat percentage, body surface area, and waist-to-hip ratio. These tools help you understand your body composition using evidence-based formulas used in clinical practice.
This category currently includes 7 tools, including BMI Calculator, Ideal Weight, and Body Fat Calculator.
These resources are built for patients, coaches, and clinicians tracking health metrics over time. Use the results as decision support and pair them with full clinical context and local guidelines.
All Body Metrics Tools (7)
BMI Calculator
Calculate your Body Mass Index (BMI) instantly using height and weight. Free, WHO-validated formula with personalized health category insights for adults.
Ideal Weight
Calculate ideal body weight (IBW) using Devine, Robinson, Miller, and Hamwi formulas. Find a practical healthy weight range by height and sex.
Body Fat Calculator
Calculate body fat percentage with the U.S. Navy method using waist, neck, height, and hip measurements to estimate body composition category.
Waist-to-Hip Ratio
Calculate your waist-to-hip ratio (WHR) to assess cardiovascular disease risk. A simple measurement used by the WHO as a health indicator.
Waist-to-Height Ratio
Calculate your waist-to-height ratio (WHtR) to screen for cardiometabolic risk. A simple metric where keeping your waist under half your height is often recommended.
BSA Calculator
Calculate body surface area (BSA) with Du Bois, Mosteller, and Haycock formulas for chemotherapy dosing, cardiac index, and clinical calculations.
BMR Calculator
Calculate basal metabolic rate (BMR) with the Mifflin-St Jeor equation to estimate calories burned at rest, then convert to daily needs with activity.