About 90-105 pounds/ 45-50 kg, but it also depends on your body structure.
Im 12 and 5'1, i weight 8st 7lb and i think thats about aaverage as i have a big build
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Around 110 lbs should be a normal body weight for a 12 year old.
The average weight for a 12 year old at 5ft 5 is between 80 and 100 pounds.
the avrige for a 12 year old is 8 st
well the average weight should be from 90-120.
115 pounds
105 or so
105
12 pounds
120
99 pounds
I believe the average weight for a 12 year old is around 100-140 lbs. The average height is 5 ft-5,10.I know a kid that's 12 an 5'6.The average height is 5'1-5'4