BMI and your health

Body Mass Index (BMI) is a simple measure of a person’s weight relative to their height, which is used to categorise underweight, overweight, obesity and healthy weight in adults.

BMI Calculator

The BMI calculator gives you a quick, clear indication of your ideal weight range by dividing your weight in kg by (height in metres); the results help you determine whether you should be taking action toward a healthier lifestyle. To find out your BMI, please enter your height and weight details into the BMI Calculator at the bottom of this page.

What is obesity?

Obesity is more than just being a bit overweight. When doctors talk about being obese, they mean that a person has put on so much weight they can start to seriously jeopardise their health. Being overweight can lead to obesity and the start of life-threatening health problems.

How is obesity measured?

Obesity is measured by the body mass index (BMI).

The BMI reflects a person’s weight in comparison to their height:

(weight [kg] ÷ height2 [m2]) 3

To find out your BMI, please enter your height and weight details into the BMI Calculator below.

What is Body Mass Index (BMI)?

Body Mass Index (BMI) is a simple measure of a person’s weight relative to their height, which is used to categorise underweight overweight obesity and healthy weight in adults.

The BMI calculator gives you a quick, clear indication of your ideal weight range by dividing your weight in kg by (height in metres); the results help you determine whether you should be taking action toward a healthier lifestyle.

To find out your BMI, please enter your height and weight details into the BMI Calculator below.

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  • BMI Calculator

    Use the BMI Calculator to help determine whether you should be taking action towards a healthier lifestyle.

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