Health & Fitness
A Body Shape Index (ABSI) Calculator
Calculate ABSI, which isolates abdominal adiposity from overall body size.
Preparing your result…
What this calculator does
Calculates A Body Shape Index (ABSI) Calculator using the formula verified against the cited source.
What your result means
An estimate from the inputs you enter, within the scope stated below — not advice.
Formula
ABSI = waist(m) ÷ (BMI^(2/3) × height(m)^(1/2))
The step-by-step working for your own numbers appears with the result above and in the PDF report.
Frequently asked questions
Symbols and assumptions
- Inputs
- The values entered in the fields above
- • ABSI=waist m/[BMI^(2/3)×height m^(1/2)], where BMI=weight kg/height m².
Sources and review
Reviewed 2026-10-18 · Next review 2027-04-18
- • Original Krakauer study defines raw ABSI. Do not turn raw ABSI directly into a mortality probability or z-score; standardized scores need the appropriate reference mean/SD by age and sex, absent from these inputs.
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
Quick reference
| Scenario | Waist girth (cm) | Height (cm) | Body weight (kg) | A Body Shape Index |
|---|---|---|---|---|
| Worked example | 88 | 175 | 80 | 0.0756 m^(11/6)·kg^(−2/3) |
| Half the amounts | 50 | 130 | 40 | 0.0532 m^(11/6)·kg^(−2/3) |
| Double the amounts | 170 | 215 | 160 | 0.1092 m^(11/6)·kg^(−2/3) |
Need the full picture? Get the detailed PDF report with charts, tables, formulas and working steps.
Reviewed 2026-10-18 · Next review 2027-04-18
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