4-Year-Old Boy Growth Percentile
Family GuideLearn how to read growth percentiles for a 4-year-old boy, see a real snapshot, and use our tools to chart precise trends and estimate adult height.
What does a growth percentile mean?
A percentile shows how your child’s measurement compares with peers of the same age and sex. For example, the 75th percentile for height means your child is taller than 75% of peers and shorter than 25%. Percentiles aren’t “good” or “bad” — they help you track trends over time.
Quick answer
For 4-year-old boys, the healthy range is broad. The most important sign is whether your child’s percentile curve is consistent across multiple measurements. Sudden drops or plateaus are worth discussing with your pediatrician.
Growth Percentiles at ~48 months (CDC)
Height: cm (ft/in) · Weight: kg (lb) · BMI: kg/m²Exact cutoffs vary slightly by dataset and smoothing. Values shown are nearest to this age in months. For charts over time (and BMI at 2+ years), use the Growth Chart Calculator.
| Percentile | Height | Weight | BMI |
|---|---|---|---|
| 10th | 96.6 cm (3′ 2″) | 14 kg (30.8 lb) | 14.4 |
| 25th | 99.1 cm (3′ 3″) | 14.9 kg (32.9 lb) | 14.9 |
| 50th | 101.9 cm (3′ 4″) | 16.1 kg (35.6 lb) | 15.7 |
| 75th | 104.8 cm (3′ 5″) | 17.6 kg (38.7 lb) | 16.5 |
| 90th | 107.4 cm (3′ 6″) | 19 kg (42 lb) | 17.3 |
Notes: WHO standards used for ages 0–24 months (includes Head Circumference). CDC references used from 24 months onward. BMI shown for 2+ years. If BMI percentiles are not present in your CDC JSON, we approximate per percentile using same-percentile weight/height pairs.
How to track your child’s percentile
- Measure height/weight (and HC for ages 0–2) every few months and enter them in the Growth Chart Calculator for official-percentile charts.
- Look for a consistent curve — small ups/downs are normal; sharp drops warrant a check-in.
- Curious about adult height? Try the Child Height Predictor, which uses a parent-based baseline plus a percentile-adjusted model and shows an expected range.
FAQ
WHO vs. CDC percentiles — which should I use?
WHO and CDC are based on different datasets and intended age ranges. Your pediatrician may prefer one. The key is to stay consistent with the same chart type when tracking trends over time.
What if my child is at a low or high percentile?
Many healthy children track at low or high percentiles. Focus on their personal trajectory. If percentiles change abruptly or growth stalls, speak with your pediatrician.