Free Health Calculator

Body Fat Percentage Calculator

Estimate your body fat percentage using the US Navy method — no equipment needed, just a tape measure.

Calculate Body Fat ↓

Enter your measurements

Measure at the widest point. Use a flexible tape measure and measure in the morning.

body fat percentage
Fat mass (kg)
Lean mass (kg)

What is a healthy body fat percentage?

🏅

Essential fat

Men: 2–5% | Women: 10–13%. Minimum for basic physiological functions.

🏃

Athletic

Men: 6–13% | Women: 14–20%. Typical for athletes and highly active individuals.

Fitness

Men: 14–17% | Women: 21–24%. Good fitness level for most adults.

⚠️

Overweight / obese

Men: 25%+ | Women: 32%+. Elevated health risks.

Related tools