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BMI Categories:
Underweight: < 18.5  |  Normal: 18.5–24.9  |  Overweight: 25–29.9  |  Obese: ≥ 30
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About this tool

BMI Calculator computes Body Mass Index in both metric and imperial units and shows the standard WHO weight classification. All calculations happen locally in your browser — your height and weight data are never sent to any server.