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Body Roundness Index (BRI)

Body roundness index from waist and height

🧬Body Roundness Index (BRI)

Body Roundness Index (BRI) uses waist circumference and height to estimate body roundness. BRI = 364.2 − 365.5√(1 − (W/2π)²/(0.5H)²). Better predictor of visceral fat than BMI.

  1. 1W = waist circumference · H = height (same units)
  2. 2BRI range: 1 (very lean) to ~15 (very obese)
Waist 85cm · Height 175cm=BRI ≈ 3.4 (healthy range)BRI < 4 generally lower risk

Fun Fact

BRI was developed in 2013 and better distinguishes apple vs pear body shapes than BMI.

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