Dear Anjali. The height of the children is greatly influenced by that of the parents. I am attaching a link wherein you can calculate the height and weight for children of various ages. Hope this help

Thanks for the reply. Well i wanted to know from 1 to 5 year.

Hi Anjali! Average height for a 5 year old boy n girl too is 40 inches tall and average weight for a 5 year old boy is 18. 96 kgs and average weight for a 5 year old girl is 17. 96 kgs.