Weight chart for boys 4 months of age

97th percentile8.79-over 8.79kgs
95th percentile8.56-8.79kgs
90th percentile8.2-8.56kgs
75th percentile7.64-8.2kgs
50th percentile7.04-7.64kgs
25th percentile6.48-7.04kgs
10th percentile6.01-6.48kgs
5th percentile5.74-6.01kgs
3rd percentile0-5.74kgs

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.

Age-Weight data from the Centers for Disease Control and Prevention website.

Weight chart for boys  4 months of age
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