Choosing the largest screen size is generally easy when you’re choosing an LCD TV. Unless you’re literally living in a closet, you simply go with the largest screen that will fit on your wall. But with an outdoor projector screen, you’re not limited by your available wall space. That said, you’re still limited by total space.
If you want an easier way of figuring out your ideal screen size, there is an online calculator to help you make the right calculations. The calculator also has some more advanced brightness calculation tools, but those are beyond the scope of our article.