Body Composition Calculators

Understand body fat, shape, and healthy weight ranges with science-backed metrics.

BMI Calculator

Calculate your Body Mass Index to assess your weight relative to height.

Estimate body fat percentage using Navy, skinfold, or BMI methods.

Determine body frame size using height and wrist circumference.

Estimate body fat using the U.S. Army circumference method.

Assess health risk using A Body Shape Index.

Evaluate body fat distribution and risk with WHR.

Assess central body fat with a waist-to-height ratio.

Estimate healthy weight ranges using common formulas.

Estimate adjusted body weight using clinical formulas.

Estimate body surface area from height and weight.

Estimate lean body mass based on height and weight.