Updated on - 12 May 2026
A newborn is a source of happiness for every parent. One of the first things new parents learn is their baby's birth weight. This number, while just a starting point, can offer valuable insights into a newborn's health. This blog provides an average infant height-weight chart and clears up doubts.
Baby Weight Chart by Age
A normal birth weight for an infant is between 2.5 kg and 4 kg. However, growth is not always linear; some babies grow steadily, while others have sudden growth spurts. Here’s a general infant height and weight chart in the 50th percentile:
|
Baby Age
|
Female Weight
|
Female Length
|
Male Weight
|
Male Length
|
|
Birth
|
3.2 kg
|
49.1 cm
|
3.4 kg
|
50.0 cm
|
|
1 month
|
4.2 kg
|
54.1 cm
|
4.5 kg
|
55.6 cm
|
|
2 months
|
5.1 kg
|
57.9 cm
|
5.6 kg
|
60.0 cm
|
|
3 months
|
5.8 kg
|
61.1 cm
|
6.4 kg
|
63.0 cm
|
|
4 months
|
6.4 kg
|
64.0 cm
|
7.0 kg
|
65.7 cm
|
|
5 months
|
6.9 kg
|
66.0 cm
|
7.5 kg
|
68.0 cm
|
|
6 months
|
7.3 kg
|
67.5 cm
|
7.9 kg
|
69.2 cm
|
|
7 months
|
7.6 kg
|
69.0 cm
|
8.3 kg
|
70.6 cm
|
|
8 months
|
7.9 kg
|
70.5 cm
|
8.6 kg
|
71.8 cm
|
|
9 months
|
8.2 kg
|
71.9 cm
|
8.9 kg
|
73.1 cm
|
|
10 months
|
8.5 kg
|
73.3 cm
|
9.2 kg
|
74.4 cm
|
|
11 months
|
8.7 kg
|
74.5 cm
|
9.4 kg
|
75.7 cm
|
|
12 months
|
8.9 kg
|
75.7 cm
|
9.6 kg
|
76.9 cm
|
Note: The infant height and weight percentile chart given above reflects the median value, based on standard growth charts from the World Health Organization.
Conclusion
While the average infant weight is an important indicator of health, it is not the only one. Paediatricians assess a baby's overall growth, including height and head circumference, to ensure the baby is developing as expected. Access to timely prenatal care, supported by a comprehensive maternity health insurance policy, can contribute to healthier birth outcomes, including appropriate birth weight. Choosing the right health insurance can also ensure continued access to quality postnatal care for both mother and child.
FAQs
1. What is considered a healthy birth weight for a baby?
Most babies usually double their birth weight by around 5 to 6 months and triple it by their first birthday. Growth varies from child to child and depends on several factors, like genetics, environment and care, hormones, gestational age, and how they get their nutrition. Regular health check-ups help ensure your baby is developing as they should.
2. How much weight does a baby gain in the first year?
Generally speaking, a healthy birth weight falls between 2.5 and 4 kg. However, doctors will also consider the baby's health, gestational age, and general growth.
3. How can parents prepare financially for childbirth and newborn care?
You can cover prenatal appointments, delivery expenses, and the newborn's early medical care by choosing the best health insurance that offers maternity benefits, which can lessen financial strain during this time.
Disclaimer: The information provided in this blog is for educational and informational purposes only. It may contain outdated data and information regarding the topic featured in the article. It is advised to verify the currency and relevance of the data and information before taking any major steps. Please read the sales brochure/policy wordings carefully for detailed information about on risk factors, terms, conditions and exclusions. ICICI Lombard is not liable for any inaccuracies or consequences resulting from the use of this outdated information.