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.
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.
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.
This is the minimum size you would want.
Rugs should compliment your table or desk shape and size.
To over simplify usually these sizes will suffice.
Area rugs that are 4 x 6 feet or 6 x 9 feet are generally suitable for using under coffee tables.
Living room rugs should fit under the couch and chairs.
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For smaller living rooms you have two options.
You can go with a smaller rug like a 5 by 8 that can float in the room in between the furniture but under the coffee table says loloi a rug.
Only a coffee table on the rug perfect for small or narrow spaces this layout plays off the room s scale to make it feel larger.
Don t be too funky and try to use round rugs with square tables leave that to the experts use a rectangular rug with rectangular coffee table and a round or oval area rug with a round or oval coffee table.
6 chair dining room tables need an 8x10 rug.