I don't know what the AVERAGE is but they SHOULD weigh from 99-140 lbs. I know that that is a big difference.
About 143 pounds is the normal weight for that height, but anywhere from 123 and 164 pounds is healthy!
A 12 year old boy that is 5 ft 7 should weigh anywhere from about 95 to 135 pounds, mainly depending on how muscular he is.
279 - 280
140
70lbs. About.
U should weigh about 115 pounds.
Well a ten year old boy should probably weigh between 75 and 92 pounds.He should probably weigh 82 pounds.
There really is no specific limit to how much a fourteen year old boy should weigh. It depends on how tall you are, because if you were 5' 9", you should weigh more than a fourteen year old boy who is 5' 2".
i'm a 5'2 12 year old boy and I weigh 100 pounds.
About 36 pounds
185 pounds
he should weigh in the range of 90 to 110 give or take a few pounds
If you are 12 years old, you should weigh about 112 to 115 LBS.
usually 19-23 kgs.