Am i too small for my age

Im 14 and im quite tall but I just weighed mysel and im only 5 and a half stone is this normal I dont know the average weight for someone my age, I've been told im skinny but I never thought about my weight I eat everything im meant to I like fruit and I...

do eat a lot of chocolate but I dont see how I can weigh that amount all my friends weigh much more and their all skinny too. Is it me?

Well, it's possible that you just have a very fast metabolism, which will work in your favor! As long as you eat and exercise, you will be fine and healthy! Good luck!