Rug Size Selector

Enter the room, the furniture size and how the rug should sit under it; get the nearest standard rug size, the wall gap, how far the sofa should overlap and the pad size.

A rug that is too small makes a room feel unfinished — the usual mistake is buying one that only sits under the coffee table. Choose the room, enter the space and the main piece of furniture, and the page returns the nearest standard size, the gap to the walls and how far the furniture should overlap.

Room and furniture

All lengths in centimetres. Results update as you type.

Nearest standard size –
Floor coverage –
Gap to the wall –
Furniture overlap –
Anti-slip pad –

–

Rules by room

RoomWidth ruleLength rule
Living roomAt least 90% of the sofa lengthReach the front edge of the coffee table, at least 200 cm
BedroomBed width plus 60 cm on each sideAbout 60–90 cm past the foot of the bed
Dining roomTable width plus 60 cm on each side, so chairs stay on the rugTable length plus 60 cm at each end
Study / children’s roomAbout 65% of the room widthAbout 65% of the room length

Before you buy

  • Measure the room and the furniture, not the old rug. A rug that is 20 cm too small looks wrong from every angle.
  • Keep at least 20 cm between the rug and the wall; 30–40 cm looks calmer in a living room.
  • For the half-on layout, let the sofa or bed sit 20–30 cm onto the rug. That anchors the rug without hiding it.
  • In a dining room the rug must extend 60 cm beyond the table on every side, so a pulled-out chair stays on the rug.
  • An anti-slip pad should be about 5–10 cm smaller than the rug on each side, so no pad edge shows.
  • Thin flat-weave rugs suit dining chairs and doors; deep pile suits a bedroom but is hard to clean under a table.

Five common mistakes

  • Buying a rug that only fits under the coffee table — it reads as a bath mat.
  • Putting a round rug under a rectangular table, or a runner in front of a wide sofa.
  • Forgetting the door swing: a thick rug can stop a door opening.
  • Skipping the pad, so the rug creeps and the edges curl.
  • Ignoring the pattern direction — a rug laid the wrong way can make a long room look narrow.

Design rules of thumb, not a standard. Final choice depends on furniture layout, door position and personal taste.

More tools on this site