BMI Calculator

Enter your height and weight. You get your BMI, both category systems and a healthy weight range.

Your files stay with you. Your files never leave your browser. This tool runs on your device: nothing is uploaded to our servers, so there is nothing for us to store or see.

How to use it

  1. Choose centimetres or feet and inches for height.
  2. Choose kilograms or pounds and enter your weight.
  3. Read your BMI, the categories and the healthy weight range for your height.

Questions people ask

Why are two categories shown?
The WHO bands call BMI 25 to 29.9 overweight. WHO's Asia-Pacific guidance, widely used in India, starts overweight at 23 and obese at 25 because Asian adults tend to carry more health risk at a lower BMI. Both are shown so you can discuss either with your doctor.
Is BMI accurate?
It is a quick screening number, not a diagnosis. It ignores muscle, bone, age, sex and where fat sits, so an athlete can show as overweight. Waist size and blood tests tell a doctor more.
Is this for children?
No. These bands are for adults aged 18 and over. Children and teenagers are judged on growth charts by age.

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