Skinny jeans too long or is it normal?

It scrunches a little at the bottom... Let's just say, it scrunches about half an inch when i bend my knees and straighten my legs because that way, it causes a couple of folds at my knee area. If i don't bend my knee at all, it scrunches like an inch. I'm sorry if i sound stupid but i tried my best describing how long it looks when i wear it.