Child Growth Chart & Centile Calculator
Dedicated pediatric growth assessment. Calculates weight-for-age, height/length-for-age, BMI-for-age, and head circumference centiles, interactive growth trajectory charts, mid-parental target height, and serial visit logs.
Frequently Asked Questions
What does a growth percentile mean?
A percentile compares your child with 100 children of the same age and sex. At the 50th percentile, 50 children are smaller and 50 are bigger. At the 10th percentile, 10 of 100 children are smaller.
What is a normal percentile for height and weight?
Most healthy children fall between the 3rd and 97th percentile. A steady line over time matters more than a single reading. Values below the 3rd or above the 97th, or a drop or rise across two major percentile lines, should be checked by a doctor.
Which growth chart should I use, WHO or another?
The WHO growth standards are used internationally for children under 5. For older children, many countries use a national reference: in the US, the CDC recommends WHO charts up to age 2 and CDC charts from 2 to 19. GrowVita offers WHO charts and the IAP 2015 charts for ages 5 to 18.
How is a child’s BMI interpreted?
Child BMI is read against age- and sex-specific charts, not adult cut-offs. Under 5 (WHO): above +2 SD is overweight and above +3 SD obesity. From 5 to 18, the IAP 2015 charts use the lines equivalent to an adult BMI of 23 (overweight) and 27 (obesity); WHO 2007 uses +1 SD and +2 SD. US CDC charts use the 85th and 95th percentiles.
What is mid-parental (target) height?
It estimates a child’s adult height from the parents’ heights. For boys: (father’s height + mother’s height + 13 cm) ÷ 2. For girls: (father’s height + mother’s height − 13 cm) ÷ 2. Most children end within about 8.5 cm of this value.
How do I measure my child’s height correctly?
Under 2 years, measure length lying down. From 2 years, measure standing height without shoes, heels against the wall, looking straight ahead. Lying length is about 0.7 cm more than standing height.