Q:

# What is the average weight for a 13-year-old boy?

A:

According to the Centers for Disease Control and Prevention's growth charts, the average weight for a 13-year-old boy is around 100 pounds. This figure is the 50th percentile for a 13-year-old boy's weight, but there is a wide range of normal weights. How much a teenager weighs will be influenced by genetic and environmental factors.

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There is a formula that may be useful in predicting the final height of a child based on the heights of both parents, but there are often exceptions, and it is considered more of a guideline than a hard and fast rule. Add 5 inches to the mother's height, and the result is added to the father's height in inches before being divided by 2 or (mother's height + 5 inches) + father's height divided by two.

## Related Questions

• A:

The average height for a 13-year-old boy in the USA is 61.5 inches, while the average height for a 13-year-old girl in the USA is 62 inches. Average heights vary between 13-year-old girls and boys partially because of the onset of puberty, which tends to begin earlier in females than in males.

• A:

The Centers for Disease Control growth charts indicate that 50 percent of all 13 year old boys range between 88 lbs. and 115 lbs. About 100 lbs. is at the 50th percentile for boys this age.