What to know
CDC's Child and Teen Body Mass Index (BMI) Calculator calculates BMI, BMI percentile, and BMI category for children and teens 2 through 19. You can add the calculator widget to other websites. Use the code below.
Share the child and teen BMI calculator widget
This calculator is intended for children and teens 2 through 19. For people 20 years old and older, use the Adult BMI Calculator.
BMI is one potential health indicator to consider, along with other factors, when evaluating an individual's health. These factors may include a patient's medical history, health behaviors, physical exam findings, and laboratory findings. Read more About BMI. Persons may consider seeking advice from their health care provider about their BMI. This calculator is not a substitute for professional medical advice.
Add this widget to your website to let your audience calculate BMI, BMI percentile, and BMI category for children and teens 2 through 19. The widget also plots BMI percentile on a growth chart and explains the results.