The weight-for-age growth chart is used to determine how your teens weight compares to other teens her age using a percentile rank. A weight between the 5th and 95th percentile is considered within the healthy or normal range. this calculator provides body mass index (bmi) and the corresponding bmi-for-age percentile based on cdc growth charts for children and teens ages 2 through 19 years. Because of possible rounding errors in age, weight, and height, the results from this calculator may differ slightly from bmi-for-age percentiles calculated by other programs. 1 - height and weight ratio charts are not truly accurate measures or indicators, especially for young children and teenagers. Height to weight charts for girls and boys represent only a rough average and should be used in conjunction with a bmi calculator for kids. 2 - young children and teenagers often have growth spurts during their growing. Many teens find themselves looking for teenager weight charts to see how their weight compares to the rest of their age bracket. Some teens look to figure out if they are overweight, while other teens are just curious what the average height and weight is for a teenager. Basically the bmi chart shows average height and weight based on set standards, so a few pounds or few inches here or there is not a major cause of worry. According to the bmi chart, the following should be average height and weight of a teenager boys of 12 to 13 years should be 85 to 100 lbs in weight and 58 to 62 inches in height. This heightweight chart is only suitable for adult men and women. If you are under 18 or want to check if your child is a healthy weight, use the bmi healthy weight calculator, which is suitable for adults and children. Growth charts show the average height and weight at different ages. You can find growth charts for babies, toddlers, adolescents, and teenagers. Try this childrens adult height calculator for boys and girls, which predicts the height of your child in the future based on child and parents data. Select the childs gender (boy or girl) and age, to the closest half year. The ideal weight calculator computes ideal bodyweight (ibw) ranges based on height, gender, and age. The idea of finding the ibw using a formula has been sought after by many experts for a long time. Currently, there persist several popular formulas, and our ideal weight calculator provides their results for side-to-side comparisons. 2 to 20 years boys, stature-for-age and weight-for-age percentiles author nchs subject cdc growth charts united states keywords growth charts, nhanes, 2 to 20 years boys stature-for-age and weight-for-age percentiles created date 792001 100643 am.