1. What is BMI Percentile?

The BMI percentile compares a child's BMI to others of the same age and gender. It's the most common indicator of weight status for children and teens.

2. How Does the Calculator Work?

The calculator uses the standard BMI formula:

Then compares the result to CDC growth charts to determine the percentile based on age and gender.

3. Importance of BMI Percentile

Details: BMI percentile helps identify if a child is underweight, healthy weight, overweight, or obese. It's a screening tool that may indicate the need for further assessment.

4. Using the Calculator

Tips: Enter weight in kilograms, height in meters, age in years (2-20), and select gender. For accurate results, measurements should be taken with proper technique.

5. Frequently Asked Questions (FAQ)

Q1: What do the percentile ranges mean?
A: Below 5th = underweight; 5th-85th = healthy weight; 85th-95th = overweight; Above 95th = obese.

Q2: Why use percentiles instead of BMI categories?
A: Children's body fat changes with age and differs between boys and girls, so percentiles account for these variations.

Q3: How often should BMI be calculated for children?
A: The AAP recommends annual BMI screening for all children ages 2+.

Q4: Are there limitations to BMI percentile?
A: It doesn't distinguish between fat and muscle mass, and may be less accurate for very muscular or certain ethnic groups.

Q5: What should I do if my child's percentile is concerning?
A: Consult with a pediatrician or healthcare provider for a comprehensive evaluation.