To get the proportions right base the rug size on the interior dimensions of your seating area and not just the coffee table so it fills the negative space created by your furniture grouping.
Rug under coffee table size.
This rug size would sit under the coffee table covering the area between the sofa and adjacent living room seating or in front of a fireplace with a couple of comfy chairs sitting completely on the rug.
Rugs should compliment your table or desk shape and size.
Leggy furniture should have four on the floor or rug all dining chairs should be able to scoot in and out while staying on the rug.
Option 2 larger rooms typically require a rug that is between 8 x 10 9 x 12.
This leaves about 2 feet of flooring bordering the rug on each side.
If you are placing the rug under a coffee table make sure that it can accommodate all four legs of the table.
When positioning a small living room rug you can keep all furniture legs off of the rug except for the coffee table.
Smaller living room rugs are usually from 6 to 8 long.
For instance a 40 by 60 inch table should be paired with at least an 8 by 10 foot rug but would work best with a 9 by 12 foot rug.
Bedroom rugs should leave a walkway on the sides of the bed.
If you want to be confident that you re choosing the right area rug size for your dining room table simply add at least 60 inches to the length and the width of your table to get your ideal rug size.