Can't find a ruler right now, so no exact measurements! Left alone, though, my hair reaches about...hmm, a bit past my shoulders? A few inches past them, at least. But then here's the thing, it's extremely curly hair, and that's when it's left to stay curled up. Uncurled, it can easily reach the middle of my back.
I'm tempted again to just get it all cut so I don't have to bother with brushing as much, but I haven't had short hair since I was a kid (shoulder-length is the shortest I've had it since then), and it would seem so weird ahhh.