View The Average Weight For A 15 Year Old Pictures. On average, girls commence puberty around ages 10 to 11 and end puberty around 15 to 17 years old; In most cases, boys weight measurements for this age group (15 years old) will lie within the range between 41.52 and 83.24 kgs.
The average ideal weight should be 58.3 kgs.
The average ideal weight should be 69.9 kgs. If you're 63 inches tall, a normal weight for you is between 104 and 140 lbs. Your ideal weight should be between 7 stones and 6.4 pounds and 11 stones and 4.1 pounds. (the increase in weight and length is not as rapid as that observed during the first six months.)