All I know is it had to be as big as the palm of my hand and I am deathly afraid of those things, was shaking so bad when I took pic, lol Worse part is, next morning I woke up and found a second one on the floor, haven't seen another since though.
Hey, he/she is just a little guy. I get "T's" the size of my hand here in AZ and I do what SimonB recommend. They look a little scary, but they are a good spider. I understand it being in the house freaking you out.