Growth Percentile Calculator
Track your child's height, weight, and BMI percentiles
Your child is taller than 50% of children this age
Your child weighs more than 50% of children this age
BMI: 14.9 - Healthy weight
Understanding Results
Percentiles between 5th and 95th are considered within normal range. Consistent growth patterns over time are more important than single measurements.
For informational purposes only. Consult your pediatrician for medical advice.
When to Use Growth Percentile Calculator
Regular Check-ups
Track your child's growth between pediatrician visits. Regular monitoring helps identify growth patterns and potential concerns early.
Growth Tracking
Compare measurements over time to see if your child is following a consistent growth curve. Tracking trends is more valuable than single readings.
Peer Comparison
Understand how your child compares to others of the same age and sex. Remember that healthy children come in all sizes.
BMI Assessment
Calculate BMI percentile to assess if your child is at a healthy weight for their height and age. BMI interpretation differs for children.
Milestone Tracking
Document growth at key ages and milestones. Many parents track measurements at birthdays or school physicals.
Doctor Visit Prep
Prepare questions for your pediatrician by understanding your child's percentiles before appointments.
Frequently Asked Questions
What is a growth percentile?
A growth percentile shows how your child's measurements compare to other children of the same age and sex. For example, if your child is at the 75th percentile for height, they are taller than 75% of children their age and shorter than 25%.
What percentile is considered normal?
Any percentile between 5th and 95th is generally considered within the normal range. What matters most is that your child follows a consistent growth pattern over time, not a single measurement. Children naturally come in different sizes.
How is BMI percentile different for children?
Unlike adults where specific BMI numbers define categories, children's BMI is interpreted using percentiles because body composition changes with age. Below 5th percentile suggests underweight, 85th-95th is overweight, and above 95th indicates obesity.
Should I be concerned if my child is not at 50th percentile?
Not necessarily. The 50th percentile is simply the middle, not a target. A child at the 25th or 75th percentile is perfectly healthy. Concern arises when a child crosses two or more percentile lines over time, which may warrant discussion with your pediatrician.
How accurate is this calculator?
This calculator uses standard growth chart data based on WHO and CDC references. However, it should be used for informational purposes only. Professional growth assessment by your pediatrician considers additional factors like family history and overall health.
Is my child's information stored?
No, all calculations happen directly in your browser. Your child's measurements are not stored or transmitted to any server. Your family's health information remains completely private.
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