1. What is BMI for Children?

BMI (Body Mass Index) is a screening tool for weight categories in children and teens. For children, BMI is age- and sex-specific and is referred to as "BMI-for-age."

2. How is BMI Calculated for 10-Year-Old Girls?

The calculator uses the standard BMI formula:

The result is then compared to CDC growth charts for 10-year-old girls to determine the percentile.

3. Understanding Percentiles

Percentile ranges:

• Underweight: Less than the 5th percentile
• Healthy weight: 5th percentile to less than the 85th percentile
• Overweight: 85th to less than the 95th percentile
• Obese: Equal to or greater than the 95th percentile

4. Using the Calculator

Tips: Enter weight in kilograms and height in meters. For accurate results, measurements should be taken with minimal clothing and no shoes.

5. Frequently Asked Questions (FAQ)

Q1: Why use BMI-for-age instead of regular BMI?
A: Children's body composition varies as they grow, so BMI must be interpreted relative to other children of the same age and sex.

Q2: What if my child's BMI is very high or low?
A: Consult a healthcare provider for further evaluation. BMI is a screening tool, not a diagnostic tool.

Q3: How often should BMI be calculated for children?
A: The American Academy of Pediatrics recommends BMI screening at least annually.

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: Where can I find the official growth charts?
A: CDC growth charts are available at: https://www.cdc.gov/growthcharts/