By age 15-18 the average boy is done growing, while others are within 1-2" of adult height. The average range (as in 3 standard deviations) is 61" (5'1")-78" (6'6"). The median (average) is 69.5" (5'9.5").
That depends on location, ethnicity, the height of your parents, and a myriad of other things. However, here are some normal ranges taken from a chart compiled by the CDC in 2000:
Age 2: 32-36 inches
Age 3: 35-40 inches
Age 4: 37-43 inches
Age 5: 39-46 inches
Age 6: 42-48 inches
Age 7: 44-51 inches
Age 8: 46-54 inches
Age 9: 48-56 inches
Age 10: 50-59 inches
Age 11: 52-61 inches
Age 12: 54-64 inches
Age 13: 56-67 inches
Age 14: 59-70 inches
Age 15: 62-72 inches
Age 16: 63-73 inches
Age 17: 64-73 inches
Age 18: 64-74 inches
Age 19: 65-74 inches
Age 20: 65-74 inches
If the 18-year-old has stopped growing, there are height statistics related to nationality or country. Therefore, please feel free to ask the question again and include more detail. Alternatively, to see the average height of adult males in different countries worldwide, please see the related question, further down this page, listed under Related Questions.
5ft 8inch
5'6 to 5'8
It is 1.566... repeating metres.
See related links for the answer
The average height of an 11-year old boy really depends on his ethnicity and varies widely, but the average for all 11 yr. old boys, regardless of race, is between 52 to 61 inches tall. See the related link below.
There really isn't an average height for a 16 month old boy. They vary in heights, and you should not be concerned about his height. Boys usually grow majorly and importantly at 13 anyways. :)
I would guess around 120 cm If you count both girls and boys
It is 1.566... repeating metres.
The average weight of infant boys at three months is between 13.0 to 15.2 pounds. The average height for boys at this age is 23.6 to 24.7 inches.
fg
December 25, 1518.
the average height for both girls and boys at the age of 3 is 33 inches.
This varys depending on height and gender. Girls: between 100lbs-140lbs Boys: between 110lbs-150lbs
The average is 143cm. 90% of boys will be between 133cm and 155cm depending mainly on their genetics.
Most boys at the age of twelve are about 4''11 to 5''4. The average height for a girl at age 12 is 5"2. Normally, girls are taller than boys at that age. It depends.
The average height of a 14 yr old boy is 64.5 inches.
The average height is about 153-155cm tall
See related links for the answer
Weight is worked out on height not age.