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Growth charts and percentile tables

330 tables computed from the WHO Child Growth Standards (birth to 2) and the CDC 2000 growth charts (2 to 20), the pairing CDC recommends for US children. Every value is calculated from the published LMS tables, and every table downloads as CSV.

Plot your child’s measurements
WHO Child Growth Standards · 0–24 moCDC 2000 growth charts · 2–20 y
510152025Birth1 y2 y3 y4 y5 yWHO → CDC · length → height50th3rd97th90th25th75thValues in kg.

Girls’ weight-for-age, birth to 5 years: WHO to 24 months, CDC 2000 after, as CDC recommends.

Tables by measure

86 tablesWeight Birth to 20 years · kg and lb86 tablesHeight Length to 2, height from 2 · cm and in52 tablesHead circumference Birth to 3 years · cm and in38 tablesBMI 2 to 20 years · extended above P9568 tablesWeight-for-length 45 to 110 cm · under 2

Look it up by age

AgeWeightLength / heightHeadBMI
BirthGirlsBoysGirlsBoysGirlsBoys—
2 monthsGirlsBoysGirlsBoysGirlsBoys—
4 monthsGirlsBoysGirlsBoysGirlsBoys—
6 monthsGirlsBoysGirlsBoysGirlsBoys—
9 monthsGirlsBoysGirlsBoysGirlsBoys—
12 monthsGirlsBoysGirlsBoysGirlsBoys—
18 monthsGirlsBoysGirlsBoysGirlsBoys—
2 yearsGirlsBoysGirlsBoysGirlsBoysGirlsBoys
3 yearsGirlsBoysGirlsBoysGirlsBoysGirlsBoys
5 yearsGirlsBoysGirlsBoys—GirlsBoys
10 yearsGirlsBoysGirlsBoys—GirlsBoys
15 yearsGirlsBoysGirlsBoys—GirlsBoys

Understand the numbers

ExplainerWhy your growth chart doesn't match your doctor'sWHO and CDC 2000 growth charts give different percentiles for the same baby. Here is why, what CDC recommends, and the small details that move the number.ExplainerGrowth percentiles explained: what the number meansWhat a 30th or 90th percentile on a growth chart means, why it is a position and not a grade, and which patterns are worth raising with your pediatrician.ExplainerCrossing percentile lines: what a change meansWhy a baby's percentile can drift between checkups, which changes are expected, and when crossing growth chart lines is worth a question for your doctor.ExplainerCorrected age for preemies on a growth chartHow corrected age works for babies born early, why AAP uses it for the first 2 years, how it changes percentiles, and why nothing is plotted before term.