Your rug should not be smaller than your couch, okay, and width. Your couch should be able to sit within the rug. And then it's also ideal if all pieces of furniture are touching your rug. The rug is basically like the center piece that rings all of the room together in your living room. If that makes sense, I'm not an interior designer, so forgive me if I'm not using the technical terms. But yeah, so you want to measure your items in your living room and make sure your rug measurements align with that mindset, basically.