1. What is BMI For Children And Teens?

BMI (Body Mass Index) is a screening tool for weight categories in children and teens aged 2-19 years. Unlike adults, BMI for children is age- and sex-specific and is referred to as "BMI-for-age."

2. How Does The Calculator Work?

The calculator uses the standard BMI formula:

The result is then compared to CDC growth charts to determine the percentile for the child's age and sex.

3. Importance of BMI Percentile

Details: BMI percentiles are the most commonly used indicator to assess the size and growth patterns of children in the United States. They allow comparison with children of the same sex and age.

4. Using The Calculator

Tips: Enter weight in kilograms, height in meters, age in years (2-19), and select gender. For accurate results, measurements should be recent.

5. Frequently Asked Questions (FAQ)

Q1: Why use percentiles for children instead of BMI categories?
A: Children's body composition varies as they grow, so percentiles account for normal differences at various ages.

Q2: What do the percentile categories mean?
A: Underweight (<5th), Healthy weight (5th-85th), Overweight (85th-95th), Obese (≥95th percentile).

Q3: How often should BMI be calculated for children?
A: The American Academy of Pediatrics recommends BMI calculation at least annually at well-child visits.

Q4: Are there limitations to BMI for children?
A: BMI doesn't distinguish between fat and muscle mass. Athletic children may have high BMI due to muscle rather than fat.

Q5: What if my child's BMI is high?
A: Consult a healthcare provider for further evaluation. They may assess diet, physical activity, family history, and other health measurements.