Health Guide

BMI Across Different Ethnicities โ€” Why One Scale Does Not Fit All

CalcHub Pro  ยท  April 2026  ยท  5 min read

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Overview

Research shows that health risks associated with excess body fat occur at different BMI values across ethnic groups. A BMI of 25 carries different risks depending on ancestry.

The Formula

Standard cut-offs: Overweight โ‰ฅ25, Obese โ‰ฅ30 | Asian adjusted: Overweight โ‰ฅ23, Obese โ‰ฅ27.5

Standard formula used by professionals worldwide

Worked Example

Step-by-step

South Asian person at BMI 24 may have same metabolic risk as a European person at BMI 27

Key Points

Frequently Asked Questions

Which ethnic groups have lower risk thresholds?

South Asian, East Asian, and Pacific Islander populations show higher metabolic risk at lower BMIs.

Does this affect the UK/US medical guidance?

WHO has issued guidance for Asian populations but many national guidelines still use 25/30 cut-offs.

Is waist measurement more universal?

Waist circumference is less affected by ethnicity than BMI. Often used alongside BMI in clinical settings.

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