# Calculating your BMI

The body mass index is used to define a person’s build

### Defining your BMI

The acronym BMI stands for Body Mass Index. The term **BMI (Body Mass Index)** is widely used in English-speaking countries.** **

But **what is the body mass index?** Your BMI is a **standard for assessing the risks associated with being under or overweight**. In this case, you can also calculate your **ideal weight**.

#### What does your BMI show?

Your BMI is an index with standard values allowing you to determine your build. There are 5 main builds:

**Undernourished****Thin****Normal, also called a normal BMI****Overweight****Obese**(which is divided into 3 different levels)

#### How do you calculate your BMI?

The formula for BMI is very simple. A body mass index is calculated based on a person’s height and weight.

- BMI = weight (kg) / height (m²)

A normal BMI is between 18.5 and 25. Below 18.5, the person is considered too thin, while above 25, they are considered overweight.