Boys Height to Weight Chart From 1-11 Months
Ian C. Langtree - Writer/Editor for Disabled World (DW)
Published: 2023/08/21 - Updated: 2024/11/04
Publication Type: Conversion, Calculation
Topic: Medical Calculators and Charts - Publications List
Page Content: Synopsis - Introduction - Main
Synopsis: Height to weight ratio chart shows monthly average values for a baby boy from birth to 11 Months.
Why it matters: This article provides valuable information on the average growth patterns of male babies from birth to 11 months of age. It presents a comprehensive height-to-weight ratio chart that offers monthly average values, allowing parents and healthcare providers to track a baby boy's development against typical milestones. The article is particularly useful as it includes specific data points, such as the average weight and length of newborn boys in the United States, and outlines expected weight gain patterns in the first year of life. Additionally, it offers links to related growth charts for various age groups and genders, making it a versatile resource for understanding child development across different stages - Disabled World (DW).
Introduction
In the United States, the average newborn baby boy weighs 7 pounds 8 ounces (3.4 kg) and is 19.7 inches (49.9 cm) in length at birth. Most baby boys will gain about an ounce a day until they are three months old. By four months old, most male babies have doubled their birth weight; by one year, most have tripled it.
Main Item
Age | Weight | Length |
---|---|---|
0 Months | 7.8 lb. (3.4 kg) | 19.7" (49.9 cm) |
1 Month | 9.8 lb. (4.4 kg) | 21.6" (54.8 cm) |
2 Months | 12.3 lb. (0.01 t) | 23.0" (58.4 cm) |
3 Months | 14.1 lb. (6.4 kg) | 24.2" (61.4 cm) |
4 Months | 15.4 lb. (7 kg) | 25.2" (64 cm) |
5 Months | 16.6 lb. (7.53 kg) | 26.0" (66 cm) |
6 Months | 17.5 lb. (7.94 kg) | 26.6" (67.5 cm) |
7 Months | 18.3 lb. (8.3 kg) | 27.2" (69 cm) |
8 Months | 19.0 lb. (8.62 kg) | 27.8" (70.6 cm) |
9 Months | 19.6 lb. (8.9 kg) | 28.3" (71.8 cm) |
10 Months | 20.1 lb. (9.12 kg) | 28.8" (73.1 cm) |
11 Months | 20.8 lb. (9.43 kg) | 29.3" (74.4 cm) |
Printable Height to Weight Chart for Male Babies From Birth to 11 Months of Age

Other Printable Height to Weight Ratio Charts
- Girls Height to Weight Chart From Baby to Teen Years
- Boys Height to Weight Chart From Baby to Teen Years
- Girls Height to Weight Chart From 1-11 Months
- Boys Height to Weight Chart From 1-11 Months
- Girls Height to Weight Chart From 1-2 Years
- Boys Height to Weight Chart From 1-2 Years
- Girls Height to Weight Chart From 2-12 Years
- Boys Height to Weight Chart From 2-12 Years
- Teenage Girls Height to Weight Chart
- Teenage Boys Height to Weight Chart
- All the above charts combined on one page
*Information and data for above growth charts sourced from The World Health Organization (WHO), Gerontology Research Center (National Institutes of Health (NIH), USA), and the U.S. Centers for Disease Control and Prevention (CDC).
Author Credentials: Ian was born and grew up in Australia. Since then, he has traveled and lived in numerous locations and currently resides in Montreal, Canada. Ian is the founder, a writer, and editor in chief for Disabled World. Ian believes in the Social Model of Disability, a belief developed by disabled people in the 1970s. The social model changes the focus away from people's impairments and towards removing barriers that disabled people face daily. To learn more about Ian's background, expertise, and achievements, check out his bio.