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. It helps determine if a child's weight is appropriate for their height, age, and sex.

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 ranking.

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 percentiles mean?
A: Below 5th percentile = underweight; 5th-85th = healthy weight; 85th-95th = overweight; Above 95th = obese.

Q2: Why use percentiles for children instead of BMI categories?
A: Children's body composition changes as they grow, so percentiles account for normal growth patterns.

Q3: How often should a child's BMI be checked?
A: Annually is recommended, or more frequently if weight concerns exist.

Q4: Are there limitations to BMI percentile?
A: It doesn't distinguish between fat and muscle mass, so athletic children may have misleading results.

Q5: What if my child's percentile changes significantly?
A: Consult a healthcare provider to evaluate growth patterns and potential health implications.