what should be the average weight of a 13 year old person who's height is 5 feet?

can anyone give me sites which will help figure these kind of questions out? (weight according to height and age) Thanks
-MC

5 answers

BMI (body mass index).
I need sites that will help me determine this
Thanks -MC
http://www.disabled-world.com/artman/publish/height-weight-teens.shtml

http://teens.lovetoknow.com/Average_Height_and_Weight_for_Teenager
Thanks
-MC
You're welcome.