Body Roundness Index Calculator

Height and Waist Shape Index

Body Roundness Index, or BRI, estimates body shape from height and waist circumference.

Method: The calculator converts height and waist to centimeters and applies the BRI equation based on waist-to-height geometry.

Understanding Body Roundness Index

1. What This Calculator Measures

Body Roundness Index estimates body shape from height and waist circumference.

2. How the Calculation Works

The calculator applies the BRI geometry equation using height and waist in centimeters.

3. Formula or Rule Used

BRI = 364.2 - 365.5 x sqrt(1 - (waist / 2pi)^2 / (height / 2)^2).

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