BAI Calculator – Body Adiposity Index
Estimate body fat percentage using the Body Adiposity Index (BAI) based on hip circumference and height without needing body weight.
Input Parameters
Enter details for calculation.
Body Adiposity Index
Expert Tip
BAI is useful when a scale is unavailable. It correlates moderately with DEXA-measured body fat but may underestimate in lean individuals.
Calculation Methodology & Details
Formula
Hip circumference and height are both measured 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 BAI is Calculated
Follow these steps to use this calculator:
Measure Hip Circumference
Use a tape measure around the widest part of the hips/buttocks.
Measure Height
Stand barefoot against a wall and record standing height.
Read BAI Result
The result approximates body fat percentage without a scale.
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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.