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BMI Calculator

Enter your height and weight in metric or imperial units to see your BMI and its World Health Organization category. Calculated locally.

Details

Local

Result

BMI
Category
FAQ

Common questions

BMI = weight (kg) ÷ height (m)². Imperial inputs are converted to metric first.
Under 18.5 underweight, 18.5–24.9 normal, 25–29.9 overweight, 30+ obese (WHO).
BMI is a general screening tool and does not account for muscle mass or body composition, so treat it as a guide.
No. All calculation happens in your browser.
Private by design

This runs entirely in your browser

No file or text you enter here is uploaded. Encoding and decoding happen on your device using native browser APIs — close the tab and nothing remains on a server.

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