Nudging u to better health


          Follow Me on Pinterest     

BMI Calculator

  Favourite Add to favourites  Print Print this page

A certain amount of fat is essential to bodily functions. Fat regulates body temperature, cushions and insulates organs and tissues and is the main form of the body’s energy storage. Too much body fat though can affect for your health. Heart disease, diabetes and high blood pressure have all been linked to being overweight. Two ways of establishing body fat are: Body Mass Index (BMI) and Waist to Hip Ratio.


Body Mass Index can be determined by your height and weight. A BMI of 30 and over increases the risk of ill-health by 50-150%. For children see the chart below.




The Body Mass Index (BMI) is determined with the formula weight in kilogramm divided by body height to square. To make it easy for visitor of your web page to calculate the BMI, use the BMI Script by BMI-Club . Additional information: Body Mass Index.
Thank you for using the Body Mass Index calculator of BMI-Club.

BMI is calculated by dividing a person’s weight in kilograms by the square of their height in metres. Although BMI is an effective measure at a population level it can be less accurate for assessing healthy weight in individuals, especially for certain groups (e.g. athletes, the elderly) where a slightly higher BMI is not necessarily unhealthy.


The classification of how BMI relates to weight is as follows


 BMI (kg/m2)  Weight Status
 below 18.5  Underweight 
 18.5 – 24.9  Normal 
 25 – 29.9  Overweight
 30-39.9  Obese 
 40 or above  Extreme Obesity


Although BMI is used to classify individuals as obese or overweight, it is only a proxy measure of the underlying problem of excess body fat. As a person’s body fat increases, both their BMI and their future risk of obesity-related illness also rise, although there is still some uncertainty about the exact nature of this relationship, especially in children


Although BMI is often used to assess the health risks associated with obesity, research has demonstrated that measuring the waist circumference and waist hip ratio are also reliable methods of estimating the heath risks associated with an increase in weight gain (intra-abdominal fat mass).


The chart below can also be used to see whether your BMI falls within the healthy weight range


BMI Diagramme


For children, BMI is used differently, as the child's age and sex have to be taken into account. To do this, a child growth chart is used to convert the 'BMI' into a 'BMI centile'. The BMI centile can be used to determine whether a child's BMI is within the healthy range or not. Click on the corresponding chart to view.