Question 1

What is a Body Roundness Index (BRI)?

Accepted Answer

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.

Question 2

How does the Body Roundness Index (BRI) work?

Accepted Answer

W = waist circumference · H = height (same units) Then: BRI range: 1 (very lean) to ~15 (very obese).

Question 3

Can you give an example of how to use the Body Roundness Index (BRI)?

Accepted Answer

Example: Input Waist 85cm · Height 175cm gives a result of BRI ≈ 3.4 (healthy range) (BRI < 4 generally lower risk).

Question 4

Is the Body Roundness Index (BRI) free to use?

Accepted Answer

Yes — completely free with no registration, download, or subscription required. All calculations happen instantly in your browser.

Question 5

How accurate is the Body Roundness Index (BRI)?

Accepted Answer

Our Body Roundness Index (BRI) uses verified mathematical formulas and is accurate to multiple decimal places. Results are calculated in real-time using the same methods used by professionals.

Body Roundness Index (BRI)

🧬Body Roundness Index (BRI)

What is Body Roundness Index (BRI)?

How to Use Body Roundness Index (BRI)

Example Body Roundness Index (BRI) Examples

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