Health
Body fat estimator
Estimate adult body fat percentage using the US Navy circumference method.
Clear and dependable
How to use this calculator
Enter Formula sex, Height, Neck circumference, Waist circumference and Hip circumference. Estimate adult body fat percentage using the US Navy circumference method.
Understanding the result
Estimate adult body fat percentage using the US Navy circumference method.
Common questions
Are intermediate values rounded?
No. Full practical precision is retained during calculation and rounding is applied only to the displayed values.
What limitations should I consider?
This is a rough adult screening estimate, not a diagnosis or direct body-composition measurement. Measurement technique strongly affects the result.