Child Growth Calculator (Percentiles)
Use this tool to understand growth percentiles for height, weight, and BMI by age and sex. It’s designed for parents and caregivers: clear output, practical interpretation, and safety notes.
Safety note
Percentiles are screening information, not a diagnosis. If there are red flags (poor weight gain, sudden drop across percentiles, persistent feeding issues, lethargy, dehydration, breathing difficulty), consult a clinician.
Percentiles with clarity
Designed to show percentiles and a simple interpretation without heavy medical jargon.
Optional downloadable report
Download a short report (where available) to keep for reference or share with caregivers.
Fast, mobile-first
Short form inputs and clean output—built for real use on a phone.
What this growth tool helps you understand
A percentile compares your child’s measurement to a reference population for the same age and sex. One measurement alone is not the full story—tracking over time is often more meaningful.
Height/length percentile
Helps you see where stature sits relative to peers of the same age and sex.
Weight percentile
Useful for routine follow-up; sudden drops need clinical context and review.
BMI (where applicable)
A supportive metric that needs interpretation alongside diet, activity, and clinical history.
Tip for accurate results
Measure weight with minimal clothing, and measure length/height carefully (for infants use recumbent length; for older children use standing height). Inconsistent measurement method can change percentile outputs.
FAQs
Is a low percentile always a problem?+
Not always. Some children are naturally smaller or taller. What matters more is the trend over time, overall health, diet, development, and clinical history.
What should I do if my child drops across percentiles?+
A sustained drop can be a red flag. Re-check measurements, review diet/illness history, and consult a clinician—especially if the child is not thriving or has symptoms.
Do I need an account to use the growth tool?+
Many tools can be used without an account. If saving or downloading to your dashboard is enabled, you may be asked to log in.
Do you store my child’s personal data?+
This page is designed to be privacy-first. Avoid entering identifying details unless the tool explicitly requires them for a report/dashboard feature.
Explore PingMeDoc
Start the Growth Calculator
Enter age, sex, height/length, and weight to see percentiles and interpretation.
Privacy and responsible use
This tool is intended for informational screening and tracking. If you have concerns about growth, feeding, recurrent illness, or development, consult a clinician for personalized assessment.