Baby Growth Chart: Height and Weight Milestones – A Parent’s Guide

Tracking your baby’s growth is one of the most reassuring—and sometimes nerve-wracking—parts of parenting. Understanding the typical height and weight milestones helps you ensure your child is developing healthily and gives you peace of mind as you watch your little one grow. In this blog, we’ll break down the essential baby growth chart information, highlight key milestones, and offer tips for tracking your baby’s progress.

Why Baby Growth Charts Matter

Growth charts are invaluable tools for parents and pediatricians. They help you:

• Monitor your baby’s physical development

• Identify potential health or nutritional concerns early

• Celebrate important developmental milestones

• Provide a basis for discussions with your pediatrician

Growth charts typically track three main parameters: weight, height (length), and head circumference. These measurements are compared to standardized percentiles based on World Health Organization (WHO) guidelines1.

Baby Boy Growth Chart: 0–24 Months

Here’s a month-by-month guide to the average height and weight milestones for baby boys, following WHO standards1:

Note: These are average ranges; healthy babies may fall above or below these numbers1.

Key Growth Milestones by Age

Newborn to 3 Months

• Rapid weight gain and length increase

• Developing head control and early social smiles1

4–6 Months

• Growth starts to stabilize

• Rolling over, reaching for objects, and recognizing familiar faces1

7–9 Months

• Sitting independently, crawling, and exploring

• Increased appetite due to higher activity levels1

10–12 Months

• Pulling up to stand, taking first steps with support

• Saying simple words like “mama” or “dada”1

13–18 Months

• Walking independently, understanding basic commands

• Showing preferences for toys and activities1

19–24 Months

• Running, jumping, and climbing

• Rapid vocabulary growth and forming two-word sentences1

How to Track Your Baby’s Growth at Home

• Use a reliable baby scale and measuring tape for weight and length.

• Record measurements monthly and compare them to the growth chart ranges.

• Monitor developmental milestones alongside physical growth.

• Always discuss any concerns or unusual patterns with your pediatrician1.

Frequently Asked Questions

How much weight should my baby gain?
Most babies double their birth weight by 4–6 months and triple it by their first birthday. However, individual growth patterns vary widely1.

What if my baby falls outside the average range?
Percentile ranges are broad to accommodate natural differences. A healthy baby may fall above or below the average. Consistent growth along their own curve is usually more important than the specific percentile1.

When should I be concerned?
If your baby’s growth suddenly slows, stalls, or drops across percentiles, consult your pediatrician. Early intervention can address most concerns effectively.

Final Thoughts

Every baby grows at their own unique pace. Growth charts are guides—not strict rules. Celebrate each milestone, track progress, and partner with your pediatrician for the healthiest start possible.

Have questions or want to share your baby’s growth journey? Leave a comment below!

References: Data and milestone descriptions are based on WHO standards and pediatric best practices.