BMI Formula:
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Body Mass Index (BMI) is a measure that adjusts body weight for height. For children, BMI is age- and sex-specific and is typically expressed as a percentile. This calculator specifically evaluates for obesity (≥95th percentile).
The calculator uses the standard BMI formula:
Where:
Explanation: The formula calculates body mass per unit of height squared to estimate body fatness.
Details: BMI screening helps identify children with obesity who may be at risk for weight-related health problems. Early identification allows for timely intervention.
Tips: Enter weight in kilograms and height in meters. For accuracy, measure height without shoes and weight with minimal clothing.
Q1: What defines obesity in children?
A: Obesity is defined as BMI at or above the 95th percentile for children of the same age and sex.
Q2: How often should BMI be checked in children?
A: The AAP recommends BMI screening annually from age 2 years.
Q3: Are there limitations to BMI?
A: BMI doesn't distinguish between fat and muscle mass. Athletic children may have high BMI without excess fat.
Q4: What's the next step if my child has obesity?
A: Consult a pediatrician for comprehensive evaluation and management plan.
Q5: Can this calculator be used for all ages?
A: This calculator is specifically designed for children (ages 2-19 years).