General health·24 questionsWhat is Body Mass Index (BMI)?SaveUpdated: 2026-08-31Answer•Weight (kg) / height² (m).•<18.5 — underweight.•18.5-24.9 — normal.•25-29.9 — overweight.•>30 — obesity.•Does not account for muscle mass.Ask AI to clarifyWas this answer helpful?HelpfulNot helpfulSuggest an improvement