Pediatric Growth Percentile
Weight, height, head circumference & BMI for age — WHO standards (0–2 yr) and CDC charts (2–20 yr).
Reference standard
Standard — WHO (0–2 yr) & CDC (2–20 yr)
Down syndrome (Trisomy 21) — Zemel 2015
Sex
Male
Female
Measurement
Weight-for-age
Height / length-for-age
Head circumference-for-age
BMI-for-age
Age
months
years
0–240 months
…or date of birth (auto age)
measured today
Weight
BMI — from weight & height
kg
lb
cm
in
BMI –
Calculate
Reset
Percentile
–
Z-score
–
LMS method: Z = [(X/M)
L
− 1] / (L·S) · percentile from the normal distribution.
Data:
WHO Child Growth Standards
|
CDC Growth Charts
Screening reference only — interpret alongside growth trend over time and clinical context. Not a diagnosis.