📊 Baby BMI Calculator
Calculate your baby's Body Mass Index (BMI) and percentile. Track if your baby's weight is healthy for their height and age.
🔧 Baby Information
📊 BMI Results
📋 Interpretation
Your baby's BMI is in a healthy range! Continue with current nutrition and growth patterns.
💡 Recommendations
- • Continue balanced nutrition
- • Regular pediatric check-ups
- • Encourage active play
- • Monitor growth trends over time
⚠️ Important: This calculator provides estimates based on CDC growth charts. Always consult your pediatrician for proper medical advice and diagnosis.
💡 Understanding Baby BMI
BMI is Just One Tool
BMI is a screening tool, not a diagnostic tool. Always consult your pediatrician.
Track Growth Over Time
Growth patterns matter more than single measurements. Track regularly.
Nutrition Matters
Focus on nutrient-dense foods appropriate for your baby's age.
Every Baby is Different
Genetics, activity level, and development stage all affect BMI.
Regular Check-ups
Schedule regular well-baby visits to monitor growth and development.
Encourage Movement
Age-appropriate physical activity supports healthy growth.
📏 Average Weight & Length by Age
Birth
3 months
6 months
9 months
12 months
18 months
24 months
*These are average ranges. Individual babies may vary significantly and still be healthy.
📊 BMI Categories Explained
Underweight (<5th percentile)
Baby's BMI is below the 5th percentile. May need additional nutritional support. Consult your pediatrician.
Healthy Weight (5th-85th percentile)
Baby's BMI is in a healthy range. Continue with balanced nutrition and regular check-ups.
Risk of Overweight (85th-95th percentile)
Baby's BMI is higher than average. Discuss nutrition and activity with your pediatrician.
Overweight (≥95th percentile)
Baby's BMI is significantly above average. Consult your pediatrician for guidance and support.