I am 15 1/2 years old and I'm 5'11. My dad is 6' and my mom is 5'7" and my bother is 6'2". I play basketball, so I want to be pretty tall, around 6'4" or 6'5"... does anyone think I might get that tall?. my doctor said I'll be tall, but he didn't say really how tall.

Take it from me... heights not everything... I'm 6 ft and I dominate the rebounds, I can do a lot of the things that tall people do, but I can also steal the ball, and run the hell out of everyone else on the court... So don't worry about how tall you're going to get, just use your current height too your advantage

You are already tall and don't worry about peaking much higher than that, you most likely have already finished growing. I am 5'10 female of 20 yrs but I stopped when I was about 14.

Accourding to this calculator (though I can't promise how accurate it is) you MAY reach up to 6'1"

Good luck hon. And remember its not how tall you are, its how well you play :)

Typically, you will be expected to grow to about 6' like your father, but it depends on what your genes say. You may have genes from an ancestor who was 6'4/6'5, you never know! Guys, don't stop growing till the age of 18.