Body Composition Another way to determine an ideal weight for good health and longevity is to look at your body composition, in particular the percentage of body fat. “BMI doesn’t get into the ...

Because teens' bodies are still developing, a teen's average weight and height can fluctuate quite a bit from one year to the next, finally stabilizing around 18-20 years of age.

The charts below will give you an idea of how your mini-me compares to the average height and weight for kids in their age group. But keep in mind: The numbers in these charts are just a benchmark ...

The average height at age 2 is, in fact, about half of the average adult height, and the correlation between height at 2 and height in adulthood is about 0.75 for boys and 0.65 for girls—about ...

To tell whether a young adolescent has a healthy weight, it can help to know the average for their age and sex. The averages for 12-year-olds are 89 pounds, for males, and 92 pounds, for females.