Use this BRI calculator to estimate body roundness index from waist and height, compare the result with broad adult screening bands, and review the assumptions behind the score.
Use the same unit for both measurements. This tool gives a cautious adult screening estimate only and does not convert between inches and centimeters.
This BRI calculator is for educational use only and is not medical advice. It does not diagnose obesity, metabolic disease, or cardiovascular risk on its own. If you need personal guidance about waist size, body composition, or cardiometabolic risk, speak with a qualified healthcare professional.
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