Weight chart for boys 4 months of age
| 97th percentile | 8.79 | - | over 8.79kgs |
| 95th percentile | 8.56 | - | 8.79kgs |
| 90th percentile | 8.2 | - | 8.56kgs |
| 75th percentile | 7.64 | - | 8.2kgs |
| 50th percentile | 7.04 | - | 7.64kgs |
| 25th percentile | 6.48 | - | 7.04kgs |
| 10th percentile | 6.01 | - | 6.48kgs |
| 5th percentile | 5.74 | - | 6.01kgs |
| 3rd percentile | 0 | - | 5.74kgs |
How to read this weight chart for boys:
This chart shows weight percentiles, according to the CDC, for boys 4 months of age. To determine an individual's percentile, find the range that includes their weight. This percentile is not a reflection of optimal weight for an individual, it is only for comparing against a population sample. Use the navigation links above the summary chart to view the weight chart for a different age, or to switch between boys and girls or pounds and kilograms.
Learn about tracking your child's growth for free!
For people over the age of 20, please refer to our adult height-weight charts. Your body mass index (BMI) is a good indicator of a healthy weight, to find out what your BMI is, and what it means try our calculators page.
