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For adults, BMI compares weight with height using weight in kilograms divided by height in metres squared. The categories below are standard screening ranges, not a diagnosis or a complete picture of health.
BMI does not directly measure body fat and cannot distinguish muscle mass from fat mass. It may be less useful for athletes, older adults, growing teenagers, and some ethnic groups. Discuss concerns about your weight or health with a qualified clinician.
Disclaimer: These calculator results are approximate estimates, not exact measurements or medical advice. Individual results may vary.