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BMI (Body Mass Index) calculator

The body mass index (BMI) is a simple way to assess whether you are the correct weight for your height by measuring the relative percentages of fat and muscle mass in your body.

To work out your personal BMI, use our simple calculator. You can work with either metric or imperial measurements.

  1. Input your weight in kilograms or stones and pounds.
  2. Input your height in metres or feet and inches.
  3. Use the calculate button to find your body mass index.
Calculate your BMI

Calculate your BMI

All fields marked with an asterisk * are mandatory.

WC01499 07/2013

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