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BMI Calculator

Body Mass Index with metric or imperial units and WHO categories.

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AHow to use

  1. 01 Choose metric (cm/kg) or imperial (ft/lb) units.
  2. 02 Enter your height and weight.
  3. 03 See your BMI, its category and your healthy weight range.

QFAQ

What is a healthy BMI? ＋

By WHO standards, 18.5 to 24.9 is considered healthy for most adults. Below that is underweight, 25–30 overweight, and above 30 obese.

Is BMI accurate for everyone? ＋

No. BMI does not distinguish muscle from fat, so athletes can score "overweight" and it is not calibrated for children or pregnancy. It is a rough screening tool, not a diagnosis.

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