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body mass index (BMI)
calculator

find out if your weight is in a healthy range.


Use the Body Mass Index tool, which uses your weight and height to calculate where you are on a scale ranging from underweight to obese.

The BMI is a standard measurement used to estimate if you're overweight or underweight, because it's linked to the amount of fat in your body. By knowing and monitoring your BMI, you can aim for a weight target that's ideal for you.

If you are not overweight, you shouldn't use alli™. alli is intended only for individuals who are overweight.

Weight*    Height*
     


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BMI is a standard measurement used to estimate if you're overweight or underweight because it's linked to the amount of fat in your body.
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