Body Fat Calculator: What It Calculates
Body Fat Calculator gives a numerical reference from the measurements or dates supplied. The method and the quality of the inputs matter when interpreting the result.
The Formula or Method
The U.S. Navy body-fat method estimates body-fat percentage from body measurements and sex-specific circumference relationships; the exact result depends on the measurements and method implemented by the calculator.
How to read the estimate
A calculator output is a reference value rather than a diagnosis. Measurement technique and the method selected can affect the number.
Using Body Fat Calculator
Enter measurements in the units requested and use a consistent measurement method. If the calculator asks for sex, age, height, weight, or circumference, verify each field before calculating.
- Take or obtain the measurements requested by the calculator.
- Enter each value in the displayed unit.
- Calculate the reference estimate.
- Interpret the number in context rather than treating it as a diagnosis.
Worked Example
If the calculator uses waist, neck, height, and hip measurements, enter them in the requested units and keep the measurement points consistent.
Checking the Result
This calculator is for general informational purposes and is not a substitute for professional medical advice, diagnosis, or treatment. Do not use a calculator result alone to make a medical decision.