Pizza Dough

Makes about 55-60 medium (12") pizzas.. Mix it all until it looks like it's ready to be used. Cut it into 1 lb portions, then roll it into a ball (there's a specific way of doing this, but it shouldn't matter, just make it into a ball) then put it into whatever you're using to hold it while it rises. Flatten it a bit with the palm of your hand. let it rise once, then use it. If it's done properly, then it'll stretch and whatnot so you can play with it the same way guys in pizzarias do. As opposed to the way that standard bread dough is fairly inflexible. The reason that I put down this whole recipe is that when I make pizza dough for myself, I can do it by sight, so I've never bothered to do any measurements. Hope that this is useful. Someone please convert this. My primary stumbling block is that I've no notion about converting pounds of flour to cups.