Height at three years and adult

The amount of weight increases by five to 10 pounds per inch.

According to the American Academy of Pediatrics , girls typically experience a growth spurt after their breasts begin to develop, get their first period two to three years later, and then reach their final adult height about two years after that—around 14 or 15 for most girls. A guy that is 6' tall and weights lbs of doughnut oil and bacon grease might consider himself big and other people might think he's big as well, but had he not been guzzling Big Gulps every day since he was 12 yrs old, he might, in fact, weigh in around lbs.