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Head circumference is related to body weight. As the normal weight varies widely HC can also vary. The two should correspond on a centile chart.
To answer the question... Average is roughly 16 inches or 40 cm (both numbers rounded to the nearest whole number.
Wiki User
∙ 12y ago
Wiki User
∙ 12y agoThe average head circumference for a 9 year old boy is 21.75 in. Two standard deviations above this is 21.75 in and 2 SD's below is 19.5 in. Anything outside these range is probably abnormal.
Anonymous
Wiki User
∙ 9y agoThe average head circumference of a 13 year old male would be 21 1/4 inches. Males who are 13 years old typically have a head circumference between 20 and 22 1/2 inches.
Wiki User
∙ 14y agowhat is considered to be the normal (average) head circumference of a 5.5 year old boy?
Wiki User
∙ 10y ago22 1/4-22
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What is average head circumference of a 5 year old?
what is the average head circumference of a 5 year old boy
What is the average head circumference of a 5-year-old boy?
22
Average head circumference of a 2 year old boy?
16 inches
What is average head circumference of a 7 year old boy?
3 billion miles
What is the average head circumference of a 10 year old boy?
the average size for a 10 year old boy 4'7 is 19-21 inches
What is the average circumference of an 8 year olds head?
The average circumference of an 8 year old girl's head is 53 centimeters or approximately 20 and 7/8 inches. An 8 year old boy's head averages 54 centimeters or 21 and 1/4 inches.
What is a good time for an average 16 year old boy in a 100m sprint?
Good time for average 16 year old boy: 12.5s Average time for average 16 year old boy: 13s Average time for a good 16 year old boy: 11.5s Good time for a good 16 year old boy 11s
What is the average that a boy will grow a year?
The answer depends on the boy's age.
Is a 12-year-old boy kiss a 12-year-old girl on the head sweet?
Depends where: Boy: Sweet Girl: Loved Head: Kissed A 12-year-old boy kissing a 12-year-old girl on the head happens sometimes. But it's okay to kiss someone on the head. Don't get all embarressed and hide it.
How much is the average weight for a 9 year old boy in 2009?
an average nine year old boy's weight is about 75 to 90 pounds
Are a 12-year-old boy and 12-year-old girl going to be friends when the boy kisses the girl on the head?
Why yes!
Average weight for a year old boy?
10.5kg
