Body Mass Index

Body Mass Index or BMI is a widely used measure to determine if you are over or underweight for your height. You can calculate it easily using the following formula:

BMI = weight (Kg) / height² (m²)

or by clicking on the following graph:

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Underweight is classed as a BMI less than 18.5, normal weight is classed as a BMI between 18.5 and 25, overweight is classed as a BMI between 25 and 30, and obesity is classed as a BMI greater than 30.

You can also use our online

BMI Calculator

if this all seems too complicated!