FREE USA CALCULATORS Calculator Guides
Composition Tool

Body Fat Calculator: Understanding Your Result

The U.S. Navy circumference method made accessible to everyone.

Measure your fat mass, lean mass, and ideal fat category.

FREE USA CALCULATORS Calculator Guides
How to Measure

Taking Proper Circumferences

• Neck: Measure below the Adam's apple.

• Waist: Men at the navel; Women at the narrowest point.

• Hips (Women): Measure at the widest circumference of the buttocks.

Clinical Guideline

Keep the tape snug against the skin without compressing soft tissue.

FREE USA CALCULATORS Calculator Guides
Instant Results

Compute Your Body Composition Free

Input your tape measurements to reveal your exact body fat percentage.

Educational tool only. Does not replace individualized clinical diagnosis.

Use the Body Fat Calculator