Body Fat Calculator
Estimate your body fat percentage using the U.S. Navy method based on circumference measurements and height.
Input Parameters
Enter details for calculation.
Body Fat Percentage
Expert Tip
The U.S. Navy method is a reliable field estimate. For greater accuracy, consider DEXA scanning or hydrostatic weighing.
Calculation Methodology & Details
Formula
All measurements are in centimeters. Imperial values are converted to cm before calculation.
Important Disclaimer
The calculations provided are for educational and general informational purposes only. They do not replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider.
How Body Fat is Calculated
Follow these steps to use this calculator:
Select Sex & Units
Choose biological sex and preferred measurement system.
Take Measurements
Measure waist at navel level, neck below larynx, and hips (female only) at widest point.
Read Your Body Fat %
The calculator applies the Navy formula to estimate body fat percentage.
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ℹ️ About this Calculation
This health calculator provides accurate anthropometric assessment and body composition metrics. Designed for clinical evaluation, fitness tracking, and physiological monitoring based on validated health guidelines.
Variable Glossary
Body Measurements
Height, weight, circumferences, or fold measurements recorded following standardized clinical protocols.
Anthropometric Indexes
Key physiological ratios and thresholds used to evaluate body fat distribution and medical classification.
How to Calculate Step-by-Step
Step 1
Enter your exact physical measurements into the designated fields.
Step 2
Select appropriate measurement units (Metric or Imperial) and demographic parameters if applicable.
Step 3
Review your computed index, category classification, and recommendations instantly.