Body Fat Calculator

Estimate your body fat percentage with the U.S. Navy method, using simple tape measurements.

Healthy body fat ranges

MenWomen
Essential2-5%10-13%
Athletes6-13%14-20%
Fitness14-17%21-24%
Average18-24%25-31%
Obese25%+32%+

How it's calculated

The U.S. Navy formula uses logarithms of your measurements. Men use neck and waist; women use neck, waist and hip. Measure at the widest point of the waist (at the navel) and keep the tape level. Results are estimates — DEXA scans are more precise.

For general information only — not medical advice.