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BMI Calculator

Body mass index in metric or imperial.

BMI is a rough population-level screening measure, not a diagnosis. It does not distinguish muscle from fat and is unreliable for athletes, older adults, pregnant women and children. Talk to a doctor about what it means for you.

This tool runs entirely in your browser. Nothing you enter is uploaded, stored or seen by us.

BMI in metric or imperial, with the corresponding category and the healthy weight range for your height.