1. What is BMI Percentile?

BMI percentile is a measure that compares a child's BMI to other children of the same age and gender. The CDC growth charts are used to determine weight status categories 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 is the best indicator of weight status in children and teens. It helps identify potential weight problems that might lead to health issues.

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 and precise.

5. Frequently Asked Questions (FAQ)

Q1: What do the percentile ranges mean?
A: Underweight (<5th), Healthy weight (5th-85th), Overweight (85th-95th), Obese (≥95th).

Q2: Why use percentiles instead of BMI categories for adults?
A: Children's body composition changes as they grow, so percentiles account for age and gender differences.

Q3: How often should children's BMI be checked?
A: At least annually, or more frequently if weight concerns exist.

Q4: What if my child is above the 95th percentile?
A: Consult a healthcare provider for evaluation and guidance on healthy growth.

Q5: Are there limitations to BMI percentile?
A: It doesn't distinguish between fat and muscle mass, so additional assessments may be needed for athletic children.