Question

How can I determine if my penis is completely erect while measuring it?

Answer 1

Only you can feel if it's as hard as it's going to get. Masturbate almost to the point of orgasm and then measure it. That will be the hardest it's going to get.

Answer 2

I've answered this and now I'm telling you. Get the full measurement of your middle finger from the end of the bone to the end of the finger. You'll somehow figure this out. The length of your middle finger is biologically the same as the length of your fully erected buddy. Love yourself and be happy dude.

Answer 3

if it sticks out it is erect enough, you sound like you might have low self confidence. measure that on a scale of 1-10