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What’S The Perfect Weight For A 14 Year Old? [Solved]

Well, teenage boys can expect to grow a bit taller and heavier between the ages of 13 and 20. At 13, they should weigh around 100 lbs. and be about 61.5 inches tall. By 14, they’ll likely be up to 112 lbs. and 64.5 inches tall, then 123.5 lbs. and 67 inches at 15 years old - with more growth to come!