Average Weight And Growth Chart For Babies

by   |   May 13, 2024

Ensuring a baby’s healthy growth and development is a top priority for parents. Understanding average weight and growth charts can provide valuable insights and reassurance about a baby’s progress. These charts offer reliable benchmarks to track milestones and ensure proper nurturing during this crucial journey. In this discussion, we’ll explore the significance of these charts, how to interpret them, and why they are an essential tool for parents to monitor their little one’s growth and well-being.

Baby weight chart by month

This invaluable tool serves as a comprehensive resource for the ongoing observation and documentation of a baby’s developmental journey. Offering a meticulously curated compilation of weight and length data, stratified by age and gender, it equips caregivers with an indispensable compass for gauging a baby’s well-being within a healthy spectrum. While acknowledging the inherent uniqueness of each baby’s growth trajectory, these charts stand as an indispensable reference point, empowering healthcare providers and parents alike to meticulously track and analyze a baby’s evolving growth pattern

Here are the figures provided by the Centers for Disease Control and Prevention (CDC):

Baby month Female

50th percentile weight


50th percentile height


50th percentile weight


50th percentile height

Birth 7 lb 2 oz

(3.2 kg)

19.2 inches

(49 cm)

7 lb 6 oz

(3.3 kg)

21.5 inches (54.6 cm)
1 month 9 lb 4 oz

(4.2 kg)

21.1 inches

(53.7 cm)

9 lb 14 oz

(4.5 kg)

21.5 inches (54.6 cm)
2 months 11 lb 5 oz

(5.1 kg)

22.8 inches

(58 cm)

12 lb 4 oz

(5.6 kg)

22.5 inches (57.1 cm)
3 months 12 lb 14 oz (5.8 kg) 24.2 inches

(61.5 cm)

14 lb 1 oz

(6.4 kg)

24.0 inches (61.0 cm)
4 months 14 lb 3 oz

(6.4 kg)

25.4 inches

(64.7 cm)

15 lb 7 oz

(7.0 kg)

25.2 inches (64.0 cm)
5 months 15 lb 3 oz

(6.9 kg)

26.4 inches

(67.1 cm)

16 lb 9 oz

(7.5 kg)

26.0 inches (66.0 cm)
6 months 16 lb 1 oz

(7.3 kg)

27.4 inches

(69.6 cm)

17 lb 8 oz

(7.9 kg)

26.5 inches (67.3 cm)
7 months 16 lb 14 oz (7.6 kg) 28.2 inches

(71.7 cm)

18 lb 5 oz

(8.3 kg)

27.0 inches (68.6 cm)
8 months 17 lb 8 oz

(7.9 kg)

29 inches

(73.7 cm)

18 lb 15 oz

(8.6 kg)

27.5 inches (69.9 cm)
9 months 18 lb 2 oz

(8.2 kg)

29.7 inches

(75.5 cm)

19 lb 10 oz

(8.9 kg)

28.0 inches (71.1 cm)
10 months 18 lb 11 oz (8.5 kg) 30.5 inches

(77.5 cm)

20 lb 3 oz

(9.2 kg)

28.5 inches (72.4 cm)
11 months 19 lb 4 oz

(8.7 kg)

31.2 inches

(79.2 cm)

20 lb 12 oz

(9.4 kg)

29.0 inches (73.7 cm)
12 months 19 lb 12 oz (8.9 kg) 31.9 inches

(81 cm)

21 lb 4 oz

(9.6 kg)

30.5 inches (77.5 cm)

Is My Baby Achieving Healthy Weight Growth?

Ensuring your baby’s healthy weight gain is a top priority. A few key points to keep in mind:

  • It’s normal for babies to lose a little weight initially after birth, but they should regain their birth weight by around 2 weeks old.
  • On average, babies gain 5-7 oz (140-200g) per week in the first few months, and 4-8 oz (113-227g) per week from 3-6 months. But growth rates can vary.
  • Each baby follows their own growth curve. As long as they stay on their curve within a healthy percentile range (like 25th-75th), that’s a good sign.
  • Regular, contented feedings and adequate wet/dirty diapers per day indicate your baby is getting enough nutrition for proper weight gain.

Pay attention to these milestones, and your pediatrician can help ensure your little one is packing on healthy pounds. But try not to worry too much – babies grow at their own pace.


Factors that can influence a baby’s weight and growth

Numerous factors exert a profound influence on the weight and growth trajectory of a baby, each weaving a unique thread into the complex tapestry of their development:


A baby’s genetic code weaves the foundation of its physiological journey. The heights and weights of parents and extended family members are like chapters in this genetic novel, shaping the baby’s growth potential.


The sustenance a baby receives, whether from breastfeeding or formula, is the ink that colors their growth canvas. The quantity and quality of nutrients, calories, and fluids bestowed upon them are pivotal. Inadequate nourishment or feeding challenges can cast shadows over a baby’s weight gain.

Feeding Practices:

The frequency and quality of nourishment bestow hues of progress on the growth portrait. An artist’s touch is needed here – neither overfeeding nor underfeeding should be the brushstrokes defining the baby’s weight and height gain patterns.

Health Conditions:

Occasionally, unforeseen medical factors intrude upon this masterpiece. Gastrointestinal issues, metabolic disorders, hormonal imbalances, or chronic ailments can be like unexpected plot twists, affecting the baby’s ability to paint a flourishing picture of growth.

Birth Weight and Gestational Age:

Some babies embark on their journey with a different starting point. Those with lower birth weights or who arrive prematurely come with their unique scripts. Their growth patterns, compared to full-term babies, unfold like distinct storylines. Thus, we must consider the baby’s gestational age when deciphering their growth narrative.

Physical Activity:

Though not a prominent character in the infancy chapters, physical activity becomes a leading role as the baby grows. Their activity levels, as they become more mobile, influence the composition and flow of their growth saga. Creating opportunities for safe exploration and age-appropriate physical activity is akin to penning an engaging plot.

Environmental Factors:

The backdrop against which this story unfolds can significantly affect its trajectory. Socioeconomic status, access to nourishing sustenance, and the safety of living conditions form the setting that indirectly shapes the baby’s overall development, casting shadows or illuminating their path.

In this intricate narrative, the interplay of genetics, nutrition, feeding practices, health conditions, birth circumstances, physical activity, and environmental factors crafts the epic tale of a baby’s growth and development. Each element contributes a vital chapter to the story, ensuring that the narrative is as unique and beautiful as the baby itself.

What are some tips for promoting healthy weight gain in infants?


Promoting Optimal Infant Nutrition

Ensuring your baby receives proper nourishment is of paramount importance. Whether you choose breastfeeding or formula feeding, it’s essential to be attentive to your baby’s nutritional needs. Observe their hunger cues and respond promptly. If you opt for breastfeeding, offer the breast frequently and ensure a secure latch. If you’re using formula milk, adhere to recommended guidelines regarding the quantity and frequency of feeds.

For the initial six months, strive to provide a well-balanced diet where breast milk or formula serves as the primary source of nourishment. The introduction of solid foods should be gradual, commencing around the six-month mark, in accordance with the guidance provided by your healthcare provider.

Vigilant Weight Monitoring

Consistently monitoring your baby’s weight is crucial. Attend regular well-child check-ups to enable healthcare professionals to assess their growth pattern and ensure that they are gaining weight at a healthy pace. While it’s important to keep an eye on daily fluctuations, remember that long-term trends are more meaningful indicators.

Establishing Feeding Routines

Creating predictable feeding schedules can provide stability for your baby. Strive for consistent intervals between meals, while remaining adaptable to cater to their unique requirements. Avoid extended periods without feeding to guarantee an adequate intake of calories.

Responsive Feeding Approach

Sensitivity to your baby’s hunger and fullness cues is fundamental. Feed them until they are content, refraining from pressuring them to finish a bottle or meal if they’ve lost interest. This approach fosters healthy eating habits and prevents overfeeding.

In summary,

A profound understanding of the typical dimensions of an infant’s body and the trajectory depicted by growth charts can offer invaluable insights into their developmental journey. It is essential to keep in mind that these charts represent general benchmarks, while each infant embarks on their distinctive growth path, rendering them genuinely unique. Fostering optimal weight gain in infants requires a multifaceted approach, which encompasses providing adequate nourishment, adhering to consistent feeding schedules, and creating a nurturing environment. By ensuring that your precious little one receives the necessary nourishment, you assume a pivotal role in promoting their robust growth and overall development.


Jay Lauer is a renowned physician and nutrition expert specializing in helping people achieve optimal health and wellness. With over 20 years of experience, Dr. Lauer has become a trusted voice, particularly in the field of natural height growth.

Dr. Lauer believes a nutrient-rich diet and healthy lifestyle are essential for maximizing growth potential. She develops personalized nutrition plans incorporating foods and supplements that support bone development and works closely with patients to achieve their height goals.

In addition to height growth, Dr. Lauer is an expert in weight loss, disease prevention, and overall wellness. She regularly shares her expertise through media outlets like The Today Show and Good Morning America.

Dr. Lauer recognized the need for a comprehensive resource on natural height increase and created the website HowToGrowTaller.com. The site provides proven strategies, nutrition plans, exercises, and support to help individuals feel more confident by achieving their desired height naturally and improving their quality of life.

Researcher Locations: 33 Whitehall Street, New York

Email: [email protected]

Education & Training Fellowship: Pediatric Psychology – Nemours Children’s Clinic – Jacksonville, 2003 Internship: Child Psychology – University of Florida, 2002 Board Certifications: American Board of Professional Psychology

Areas of Research:



Can skipping meals affect height growth?
by Jay Lauer   |   May 14, 2024
Have you ever rushed out of the house skipping breakfast since you are about to be late for school or work? Or ignore lunch because of your ...
The average height for 7th grader
by Jay Lauer   |   May 12, 2024
Height is the fundamental measure of growth in children and adolescents, especially during their growth years. Learning the average height ...
Can weightlifting stunt growth?
by Jay Lauer   |   May 08, 2024
You are a fitness enthusiast who wants to build muscles and strength from early days at school but is worried about whether weight-lifting ...
At what age do people stop growing taller?
by Jay Lauer   |   May 08, 2024
Each person has their timeline, it is also the same for the timing and the speed of growth they might experience. In other words, it is ...