Calculator hub

Body Composition

Use these tools to understand how your weight is distributed, what a healthy range looks like, and how your measurements compare.

BMI Calculator

Estimate body mass index and see the standard BMI categories.

Body Fat Calculator

Calculate body fat percentage using tape measurements.

Army Body Fat Calculator

Estimate body fat percentage using a tape-test style method.

ABCP Calculator

Estimate Army Body Composition Program body fat using tape-test style inputs.

Lean Body Mass Calculator

Estimate lean body mass using multiple research-based formulas.

FFMI Calculator

Estimate fat-free mass index from weight, height, and body-fat percentage.

Ideal Weight Calculator

See classic ideal-weight formulas side by side.

Healthy Weight Calculator

Find a healthy weight range using BMI guidelines.

Body Type Calculator

Identify common body shape categories from measurements.