Get a simple explanation of the formula used in this calculator.
U.S. Navy Method
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Enter Your Measurements
Estimate your body fat percentage using the U.S. Navy method.
This calculator uses the U.S. Navy method, which requires gender, height, neck, and waist measurements. For women, hip measurement is also required.
Body Fat Percentage Categories
Women
Category
Percentage
Essential fat
10-13%
Athletes
14-20%
Fitness
21-24%
Average
25-31%
Obese
32%+
Men
Category
Percentage
Essential fat
2-5%
Athletes
6-13%
Fitness
14-17%
Average
18-24%
Obese
25%+
About Body Fat Percentage
The Body Fat Percentage Calculator gives a better look at your body composition than weight or BMI alone. By estimating the amount of your body that is fat, it helps you track fitness and health progress more accurately. This tool uses the U.S. Navy method, a common formula based on body measurements.
How to Use the Calculator
Select your **Gender**.
Enter your **Height** and **Weight**.
Measure and enter your **Neck** and **Waist** size in centimeters.
If you are female, also enter your **Hip** measurement.
The calculator will instantly estimate your body fat percentage and classify it.
Frequently Asked Questions (FAQs)
Your Body Fat
Body Fat Percentage (BFP)
23.5%
Average
About Body Fat Percentage
The Body Fat Percentage Calculator gives a better look at your body composition than weight or BMI alone. By estimating the amount of your body that is fat, it helps you track fitness and health progress more accurately. This tool uses the U.S. Navy method, a common formula based on body measurements.
How to Use the Calculator
Select your **Gender**.
Enter your **Height** and **Weight**.
Measure and enter your **Neck** and **Waist** size in centimeters.
If you are female, also enter your **Hip** measurement.
The calculator will instantly estimate your body fat percentage and classify it.