12-Month/1-Year-Old Boy Weight And Height

On this page, you can find out the size of a 12-month/1-year-old boy, including height, weight, and head circumference (if). You can see that there are multiple columns of data, including average value, normal range, and larger range. Normal range means that most of the monitored objects (usually 75%) are in this data range, and a larger range contains more data, which means that most of the monitored objects (usually more than 90%) are in this data range.

We have provided the standards of several countries/organizations. There are some deviations in the data results of these countries/organizations. You can choose the data of your country/region as the reference standard. Children under the age of 2 usually use data released by the WHO as a reference standard. If your country is not listed, you can choose the nearby national standards as the reference standard.

If your child’s size (height, weight, and head circumference) is within the normal range, then you don’t have to worry at all; if your child’s size is not within the normal range but in the larger range, then there is no need to panic. You must understand that every child is unique and has a growth pattern. At this time, you can appropriately adjust your child's diet and exercise habits. If your child's size is outside the larger range, then you'd better consult a doctor.

Popular age(year): 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

World Health Organization(WHO) standard

Height (cm/centimetre)
age(in years) age(in months) average height(cm) normal range(cm) larger range(cm)
1 12 75.75 74.15 - 77.35 71.84 - 78.79
Weight (kg/kilogram)
age(in years) age(in months) average weight(kg) normal range(kg) larger range(kg)
1 12 9.65 8.96 - 10.38 8.05 - 11.09
Head Circumference (cm/centimetre)
age(in years) age(in months) average height(cm) normal range(cm) larger range(cm)
1 12 46.07 45.2 - 46.93 43.95 - 47.71

United States standard

Height (cm/centimetre)
age(in years) age(in months) average height(cm) normal range(cm) larger range(cm)
1 11.5 74.92 73.02 - 76.92 70.43 - 78.81
1 12.5 76.12 74.18 - 78.15 71.53 - 80.07
Weight (kg/kilogram)
age(in years) age(in months) average weight(kg) normal range(kg) larger range(kg)
1 11.5 10.16 9.44 - 10.95 8.5 - 11.73
1 12.5 10.46 9.71 - 11.27 8.75 - 12.07

Canada standard

Height (cm/centimetre)
age(in years) age(in months) average height(cm) normal range(cm) larger range(cm)
1 12 75.75 74.15 - 77.35 71.28 - 78.79
Weight (kg/kilogram)
age(in years) age(in months) average weight(kg) normal range(kg) larger range(kg)
1 12 9.65 8.96 - 10.38 7.85 - 11.09
Head Circumference (cm/centimetre)
age(in years) age(in months) average height(cm) normal range(cm) larger range(cm)
1 12 46.1 45.2 - 46.9 43.6 - 47.7

United Kingdom standard

Height (cm/centimetre)
age(in years) age(in months) average height(cm) normal range(cm) larger range(cm)
1 12 75.75 N/A N/A
Weight (kg/kilogram)
age(in years) age(in months) average weight(kg) normal range(kg) larger range(kg)
1 12 9.65 N/A N/A
Head Circumference (cm/centimetre)
age(in years) age(in months) average height(cm) normal range(cm) larger range(cm)
1 12 46.07 N/A N/A

German standard

Height (cm/centimetre)
age(in years) age(in months) average height(cm) normal range(cm) larger range(cm)
1 12 76.63 74.92 - 78.37 71.95 - 79.98
Weight (kg/kilogram)
age(in years) age(in months) average weight(kg) normal range(kg) larger range(kg)
1 12 10.03 9.3 - 10.82 8.14 - 11.58
Head Circumference (cm/centimetre)
age(in years) age(in months) average height(cm) normal range(cm) larger range(cm)
1 12 46.77 45.94 - 47.63 44.54 - 48.42

China standard

Height (cm/centimetre)
age(in years) age(in months) average height(cm) normal range(cm) larger range(cm)
1 12 76.5 73.8 - 79.3 68.6 - 82.1
Weight (kg/kilogram)
age(in years) age(in months) average weight(kg) normal range(kg) larger range(kg)
1 12 10.05 9 - 11.23 7.21 - 12.54
Head Circumference (cm/centimetre)
age(in years) age(in months) average height(cm) normal range(cm) larger range(cm)
1 12 46.4 45.1 - 47.7 42.6 - 49.1

Japan standard

Height (cm/centimetre)
age(in years) age(in months) average height(cm) normal range(cm) larger range(cm)
1 12 75 72.4 - 77.6 N/A
Weight (kg/kilogram)
age(in years) age(in months) average weight(kg) normal range(kg) larger range(kg)
1 12 9.3 8.4 - 10.2 N/A

References

  1. World Health Organization(WHO): Child growth standards.
  2. The United States Centers for Disease Control and Prevention (CDC or U.S. CDC): https://www.cdc.gov/growthcharts/who_charts.htm.
  3. Canadian Pediatric Endocrine Group: https://cpeg-gcep.net/content/who-growth-charts-canada.
  4. (United Kingdom) Royal College of Paediatrics and Child Health : https://www.rcpch.ac.uk/resources/growth-charts
  5. (German) Robert Koch Institute (RKI) : https://www.rki.de/EN/Content/Health_Monitoring/Health_Reporting/GBEDownloadsB/KiGGS_referenzperzentile.pdf?__blob=publicationFile
  6. China "中国7岁以下儿童生长发育参照标准": https://baike.baidu.com/item/中国7岁以下儿童生长发育参照标准
  7. Japan : https://www.suku-noppo.jp/data/

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