FREE USA CALCULATORS Fitness
Body Composition

Understanding Your Body Fat Percentage

Why body composition tells a truer story than the bathroom scale.

Two people can have the exact same weight and height but completely different body fat levels.

FREE USA CALCULATORS Fitness
Clinical Categories

Healthy Ranges by Sex

Women naturally carry higher essential fat for reproductive and hormonal health.

  • Men Essential Fat: 2–5% | Fitness: 14–17% | Acceptable: 18–24%
  • Women Essential Fat: 10–13% | Fitness: 21–24% | Acceptable: 25–31%
Clinical Guideline

Visceral fat around internal organs poses higher health risks than subcutaneous fat.

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U.S. Navy Method

How It Is Estimated at Home

The U.S. Navy method uses tape measurements of neck, waist, and hips (for women).

It yields within 1–3% accuracy of clinical hydrostatic weighing and DEXA scans.

Clinical Guideline

Measure in the morning before eating for best consistency.

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Check Your Numbers

Calculate Your Body Fat Percentage

Use our U.S. Navy standard Body Fat Calculator with tape measurements to discover your lean body mass and fat mass.

Educational tool only. Does not replace individualized clinical diagnosis.

Calculate Your Body Fat Free