Estimate your body fat percentage using the U.S. Navy method.
The U.S. Navy body fat formula uses circumference measurements of the neck, waist, and (for women) hips along with height. It was developed for military fitness assessments and correlates well with more expensive methods like DEXA scans for most people.
Body fat categories for men: Essential fat 2-5%, Athletes 6-13%, Fitness 14-17%, Average 18-24%, Obese 25%+.
Body fat categories for women: Essential fat 10-13%, Athletes 14-20%, Fitness 21-24%, Average 25-31%, Obese 32%+.