- Body Mass Index (BMI)The Body Mass Index (BMI) is a simple calculation using a person's height and weight. It is a useful tool to estimate a healthy body weight and assess potential health risks associated with underweight, overweight, or obesity.
- BMR CalculatorBasal Metabolic Rate (BMR) is the number of calories your body needs to maintain basic physiological functions at rest — breathing, circulation, and cell production.
- Body Fat PercentageBody fat percentage is the proportion of fat mass relative to total body weight. This calculator uses the US Navy circumference method to estimate body fat for men and women.
- Ideal Body WeightIdeal body weight (IBW) is an estimate of a healthy weight for your height. Several formulas — Devine, Robinson, Miller, and Hamwi — provide different estimates based on population studies.
- Lean Body MassLean body mass (LBM) is everything in your body except fat — muscle, bone, organs, and water. It's a key metric for tracking fitness progress and setting protein targets.