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Body Fat Index

Determine your body fat percentage

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.

Metric Imperial
Your Body Fat is
These calculations are based on averages.

Body Fat Percentage Categories

Classification Woman (% 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 %

Now you know your body fat percentage, but what does it mean? Get a better understanding of how your body burns fat and what exercises will help you reach your goal.

According to this research paper, men who are between 20-40 years old with under 8% body fat are considered “underfat”, whereas a “healthy” range is described as between 8-19%. For women in this same age group, any level under 21% is “underfat” and 21-33% is considered “healthy”

First, your body fat percentage is simply the percentage of fat your body contains. If you are 150 pounds and 10% fat, it means that your body consists of 15 pounds fatand 135 pounds lean body mass (bone, muscle, organ tissue, blood and everything else). A certain amount of fat is essential to bodily functions.