Body fat proxy

Population-level index.

BAI = hip / height^1.5 − 18

FAQ

What BAI formula is used?

BAI ≈ hip_cm ÷ (height_m^1.5) − 18 with hip in centimeters and height in meters. It is a simple index; interpretation depends on population norms and this page is informational.

Does the decimal separator matter?

This calculator uses plain decimal numbers. If a result looks wrong, check whether you used a comma instead of a dot (or vice versa) where the field expects one.