Body Adiposity Index Calculator
Estimate adiposity using hip circumference and height (BAI).
Use the calculator below, then review the formula, a numeric example, and the reference table to understand how the body adiposity index result is produced.
Educational tool only. It does not replace advice from a licensed clinician, dietitian, or exercise physiologist.
Calculator inputs
Result
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What is this calculator?
Estimate adiposity using hip circumference and height (BAI). The formula, a worked example, and a reference table are below. Results are for education only, not medical advice.
How it works
BAI ≈ hip (cm) ÷ height (m)^1.5 − 18 (display variant used in tool).
Example
Hip 105 cm, height 175 cm plug into on-page equation for BAI estimate.
Reference Table
| Value | Meaning |
|---|---|
| Hip | Measure widest part of buttocks, feet together |
| Height | No shoes, stand tall |
| Population | Equations vary by cohort |
FAQ
BAI vs BMI?
BAI incorporates hip girth; neither replaces clinical assessment.
Accuracy?
Depends on hip measure consistency and equation calibration.
Pregnancy?
Hip and weight distribution change; use obstetric guidance.
Next tool?
Pair with waist metrics and activity planning.