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BMI Calculator

Estimate your Body Mass Index (BMI) from your height and weight in seconds. BMI is a simple screening tool doctors use to categorize weight ranges — it does not measure body fat directly, but it is a useful starting point for understanding your general weight category. See our Disclaimer for details.

Categories: Underweight <18.5 • Normal 18.5–24.9 • Overweight 25–29.9 • Obese 30+