BMI Calculator for Kids

BMI Calculator for Kids

Calculate BMI with age-appropriate percentiles for children

Note: This calculator is specifically designed for children (ages 2-12). BMI interpretation for children uses age and gender-specific percentiles from CDC growth charts.

Child Information

Enter age in years (e.g., 8.5 for 8 years 6 months)

Growth Stage

Activity Level

BMI Value
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BMI Percentile
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Weight Status
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Growth Assessment
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BMI Percentile Ranges for Children

Underweight < 5th percentile
Normal Weight 5th - 85th percentile
Overweight 85th - 95th percentile
Obese > 95th percentile

Growth and Development Guidance

Enter information and click calculate to see guidance.
Important: BMI for children is interpreted using age and gender-specific percentiles because children are growing and developing. This calculator provides estimates only. Always consult with pediatricians for proper growth assessment and guidance.
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