Body Fat Calculator

Calculate Your Body Fat Index Percentage

Determine your body fat percentage with our body fat calculator. Use a tape measure to determine your waist, hip and neck circumference. Then input your gender and measurements below to receive a body fat index based on average values. The body fat index is not an indicator of fitness level since the calculation is made with no regard to height or weight.

*This body fat calculator follows the U.S. Navy Circumference Method.


Details Note: information marked with an asterisk ( * ) is necessary for women only.

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Note: these calculations are based on averages.

Body Fat Percentage Categories

Classification Women (% Fat) Men (% Fat)
Essential Fat 10-12% 2-4%
Athletes 14-20% 6-13%
Fitness 21-24% 14-17%
Acceptable 25-31% 18-25%
Obese 32%+ 25%+

Got Your Calculated Body Fat Percentage?

Now that you’ve calculated your body fat percentage, let’s help you get a better understanding of what that means. Check out our articles about body fat, how to lose body fat, and exercises and workouts that help burn fat.