Body Composition Tool
Body Fat Calculator
Estimate your body fat percentage using body measurements and a simple calculation method.
Enter Your Measurements
This calculator uses height, neck, waist, and hips if needed.
Measurement Unit
Your body fat estimate will appear here after calculation.
What Is Body Fat Percentage?
Body fat percentage shows how much of your total body weight comes from fat. It can provide a clearer picture of body composition than body weight alone.
How This Calculator Works
This page uses the U.S. Navy body fat formula, which estimates body fat percentage from body measurements such as neck, waist, height, and hips for women.
FAQ
Is body fat better than BMI?
Body fat percentage often gives more useful information about body composition than BMI alone.
Is this exact?
No. It is an estimate, but it can still be useful as a general guide.
Why do women need hip measurement?
The formula for women includes hips as part of the body fat estimate.