{"resource":"https://api.magentlab.com/api/calc/bri","service":"magent","areas":["other"],"answering":true,"http_status":402,"latency_ms":160,"price_usdc":0.005,"buyers_30d":2,"calls_30d":3,"description":"Body roundness index from height and waist (Thomas 2013). Models the body as an ellipse: e = sqrt(1 - (waist/(pi*height))^2), BRI = 364.2 - 365.5*e. Deterministic published formula with citation. Not a medical device, VAT measurement, or bo","id":"e349683d5650","category":"Health (non-drug)","accuracy":null,"tool_calls":null,"checked_day":"2026-10-11","page":"https://velliumandco.com/sellers/e349683d5650"}