University of Missouri Extension

F278, New July 2008

Your Child's Health and BMI

Body Mass Index (BMI) is a ratio of an individual's height and weight. BMI is used as a screening tool to identify possible health risks such as diabetes, heart disease and asthma.

BMIWhat is BMI percentile?

BMI percentiles are used to assess the size and growth patterns of individual children and teens compared to other kids their age. The BMI percentile has four categories.

Weight status category Percentile range
<5% Underweight
5 to <85% Healthy weight
85 to <95% Overweight
>95% Obese

What should I do if my child's BMI percentile is outside the healthy weight range?

At home

At school or in your community

F278 Your Child's Health and BMI | University of Missouri Extension

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