Kids BMI Calculator

Calculate BMI for children ages 2-18

Age (years)

Gender

Weight (kg)

Height (cm)

Discover personalized nutrition plans for your family.

Part of the Kids & Family Nutrition Toolkit

Core tool in a collection of 17 curated tools for kids & family nutrition

About This Tool

Calculate your child's BMI and see their percentile compared to other children their age. Get age-appropriate nutrition guidance.

Why is kids BMI different?

Children's BMI is interpreted using age and gender-specific percentiles because body composition changes as they grow.

Check your child's growth percentile against WHO standards

Calculate nutrition needs for teenagers

Kela Kulfi

115 kcal/serving

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