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Calculator

BMI Calculator

Enter weight in kilograms and height in centimetres to see the BMI and the adult range.

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How to calculate BMI

  1. Enter weight in kilograms.
  2. Enter height in centimetres.
  3. Click Calculate BMI and read the figure and the adult range.

70 kg at 170 cm is a BMI of 24.2, in the healthy weight range for adults. The figure is a screen, not a diagnosis.

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Frequently asked questions

Which ranges are used?

Under 18.5 is underweight, 18.5 to 24.9 is a healthy weight, 25 to 29.9 is overweight, and 30 or more is obesity. These are the common adult bands.

Are the measurements uploaded?

No. The figure is calculated in your browser.

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