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what is the average head circumference of a 5 year old boy
22
There is no specific size
16 inches
3 billion miles
what is the average head circumference of a 5 year old boy
what is average neck size of a one year old
31 inches
46
22
There is no specific size
55 cm
16 inches
8 inches
3 billion miles
Head circumference of 3 year old?
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.