Endocrinology · Primary Care · Internal Medicine
Body Roundness Index (BRI) calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
in
Allowed range: 15.75–78.74 in
Quick picks
in
Allowed range: 39.37–90.55 in
Quick picks
Result
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Clinical inputs
- Waist circumference (cm)Accepted range: 40 to 200
- Height (cm)Accepted range: 100 to 230
Primary source
Thomas DM et al. Relationships between body roundness with body fat and visceral adipose tissue emerging from a new geometrical model. Obesity (Silver Spring). DOI: 10.1002/oby.20408. PMID: 23519954. Scope: BRI = 364.2 − 365.5 × √(1 − ((wc/(2π))² / ((0.5×height)²))) with waist and height in meters; higher BRI associates with greater body-fat and visceral adiposity estimates. (2013)
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