Body Mass Index (BMI) Calculator

Calculate your BMI easily, just complete your weight, height and click on the button to calculate your BMI , modify the data and recalculate as many times as you want to see changes in the graph.

Your BMI result


If the result is:

18 Extreme underweight
20 Underweight
20-25 Normal
25.1-26.9 Slight overweight
27-29.9 Overweight (obesity grade I)
30-34.9 Obesity grade II
35-39.9 Obesity grade III
40 Obesity grade IV (morbid)
Body Mass Index (BMI)
It's a method devised by the Belgian statistician Adolphe Quetelet. It's the most commonly used method for calculating overweight and obesity. It is obtained by dividing the weight in kilos by the square of the height in meters (kg/m2).
The BMI is not a data that applies to everyone, it should not be used as a reference in pregnant women, children, elderly and people with great muscle development as athletes.
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