Check Your Child's Body Mass Index (BMI)

BMI is used to assess whether a child has a healthy weight for their age and height. It helps in understanding growth patterns and potential health risks.

What is This Tool Used For?

This tool calculates BMI percentiles for children aged 2 to 19, helping assess whether they are underweight, healthy weight, overweight or very overweight based on their age and sex.

Who Can Use This Calculator?

Children aged 2 to 19 years old.
Children who have not been diagnosed with an eating disorder or think they may have one.
Children who do not have medical conditions affecting their weight and height.

What You Will Need

Date of birth.
Sex at birth.
Height (cm).
Weight (kg).

Your Result & What It Means

Once you complete the BMI check, you will receive:

Your child's BMI percentile.
A classification (Underweight, Healthy Weight, Overweight, very overweight).
BMI Centile Chart and Description.
What the result means and recommendations.

Start Child BMI Check