The Body Mass Index (BMI) calculator is a useful weight loss tool.

The Body Mass Index (BMI) is an indicator of a person's body fat level and healthy weight. To find more about Body Mass Index and how the BMI is calculated please refer to this article: What is Body Mass Index (BMI)?

Children and Teen BMI Calculator

It is important to know that the free BMI calculator provided here is suitable only for adults. For children and teens, the BMI calculation method is slightly different than the one provided here. For a children and teen BMI calculator please visit the Centers for Disease Control and Prevention.

How to use the BMI Calculator?

To use our free BMI calculator, please enter you height and weight, select metric (kg, metres and cm) or imperial units (feet, inch, stone and pound) and click to calculate your BMI.

Step 1 - enter your height and weight and then click on imperial or metric
Height
feet metres
inches cm
Imperial Metric
Weight
stone kg
pounds
Imperial Metric
Step 2 - Calculate your body mass index
Your body mass index
What this means
Your maximum healthy weight
(Based on a BMI of 25)
stone pounds
kg
clear form

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