what is the average head circumference of a 5 year old boy
22
16 inches
There is no specific size
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
46
31 inches
22
55 cm
16 inches
There is no specific size
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.