Height Percentile Calculator
Instantly calculate your child’s height percentile based on WHO growth standards. Track growth for boys and girls aged 0-5 years with our easy-to-use tool.
Growth Calculator
Select gender, age, and height
Select age from birth to 5 years (60 months)
Enter height in centimeters (cm)
Growth Analysis
Percentile & development status
Select your child’s details and enter their height, then click Calculate Percentile to see their growth status.
Median Height by Age
Reference values for the 50th percentile (median) height for boys and girls from birth to 5 years.
| Age (Months) | Boys Median (cm) | Girls Median (cm) |
|---|---|---|
| Birth (0) | 49.9 | 49.1 |
| 6 Months | 67.6 | 65.7 |
| 12 Months | 75.7 | 74.0 |
| 18 Months | 82.3 | 80.7 |
| 2 Years (24) | 87.8 | 86.4 |
| 3 Years (36) | 96.1 | 95.1 |
| 4 Years (48) | 103.3 | 102.3 |
| 5 Years (60) | 109.5 | 108.4 |
Growth Chart FAQ
Learn more about child growth percentiles, WHO standards, and how to track your child’s development.
A height percentile compares your child’s height to a reference population of children the same age and gender. For example, if your child is in the 75th percentile, it means they are taller than 75% of children their age and shorter than the remaining 25%. It is a way to track growth patterns over time.
According to WHO growth standards, the median (50th percentile) height for a 2-year-old boy is approximately 87.8 cm (34.6 inches), and for a girl, it is approximately 86.4 cm (34.0 inches). However, “normal” covers a wide range from the 3rd to the 97th percentile.
Growth is a gradual process, but you should consult a pediatrician if your child’s height drops below the 3rd percentile or above the 97th percentile, or if there is a sudden, significant drop or jump in their percentile curve over a short period. Consistency is key; a child typically stays on their own growth curve.
Growth charts are statistical tools based on large population samples (like the WHO standards). They provide a general guide but do not account for individual genetic potential, ethnicity, or specific medical conditions. They are best used to track trends over time rather than as a definitive diagnostic tool.
Yes, while genetics play a major role in determining height, environmental factors like nutrition, health, and sleep also significantly impact growth. It is possible for children to exceed their parents’ height, especially if the parents were stunted by poor nutrition during their own childhood.
