I agree the area rug can just be under the whole sectional or extend.

Correct size rug for sectional couch. 5 x 7 feet living room = 3 x 5 feet rug. This also can be done in one of two way, all legs on or all legs off. 6 rows let’s say you want your couch and coffee table to be positioned with all legs on the rug.

For a 90 to 119 inches chaise sofa or bumper sectional, 9×12 inches would be a perfect size for the rug. If, yes then look no further. If you have a separate lr that's where the sofas and/or love seats can go.

A good rule of thumb for choosing the right size rug pad is to leave 1 of rug overhang on all sides of the rug pad. If using a round rug, you do not want any part of it to go under the sectional. Living room rugs should fit under the couch and chairs.

Here is the ultimate guide to choosing the best rug size for sectional couch. Follow lines of the furniture. Match it up with the short side of your sectional.

Similarly, a round rug with 8 inches diameter should be used. Leggy furniture should have “four on the floor” (or rug). A 9’x12’ rug works best in an open floor plan, or any room that is at least 3 feet larger than the rug in both length and width, like an 11’x13′, 12’x18′ or 15’x20′ living room space.

This means that the ideal rug pad for a rug will be 2. Wouldn't have anything else in a family room. Correct size rug for sectional couch.