1. What is BMI for Children?

BMI (Body Mass Index) for children is a screening tool that assesses whether a child is underweight, normal weight, overweight, or obese. Unlike adults, children's BMI is age and sex-specific and is compared to growth charts.

2. How Does the Calculator Work?

The calculator uses the standard BMI formula adjusted for children:

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

3. Importance of BMI Calculation

Details: Regular BMI screening helps identify potential weight problems in children. Early detection allows for timely intervention and healthy lifestyle changes.

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 categories mean?
A: Underweight (<5th %ile), Normal weight (5th-85th %ile), Overweight (85th-95th %ile), Obese (≥95th %ile).

Q2: Is BMI accurate for all children?
A: BMI is a screening tool, not a diagnostic. Athletic children may have higher BMI due to muscle mass, not fat.

Q3: How often should BMI be checked?
A: CDC recommends BMI screening at least annually as part of routine health supervision.

Q4: What if my child's BMI is high?
A: Consult a healthcare provider for further evaluation. They may assess diet, activity levels, and family history.

Q5: Can I use this for infants?
A: No, this calculator is for children 2-19 years. Different growth charts are used for infants 0-2 years.