Guide · For the trade
Rug size for a king bed: the three layouts designers use
The rug size for a king bed is 9x12 in most rooms and 10x14 in a large one: set the top edge at the nightstands and the rug runs 24 to 30 inches past each side of a 76-inch-wide bed and well past the foot. An 8x10 works only if it sits under the lower two thirds of the bed with the nightstands off the rug. Anything smaller than 8x10 reads as a bath mat under a king.
This is the guide to hand a junior before they draw the bedroom plan: the three layouts, the numbers behind each, what changes with a bench or a chaise, and when a custom size is the right answer.
King bed dimensions you are working around
A standard king mattress is 76 by 80 inches; a California king is 72 by 84. With a frame and headboard the footprint is about 80 by 86 inches, and most nightstands add 20 to 28 inches on each side. The rug has to clear that footprint in whichever direction you want floor to show.
Layout one: the full layout, 10x14 or 9x12 under the whole bed
The rug runs the length of the bed and under the nightstands, with 24 to 36 inches showing on each side and at the foot. Use 10x14 placed with its long side across the room; it leaves about 22 inches beyond each nightstand and 44 inches at the foot. A 9x12 in the same orientation leaves 16 inches beyond the nightstands, which is tight but clean. This is the layout for a primary bedroom with a bench at the foot of the bed and the one that photographs best.
Layout two: the standard layout, 9x12 stopping at the nightstands
The most common spec. The rug's top edge sits just in front of the nightstands, so the nightstands stand on the floor and the rug extends under the bed from there. A 9x12 with the 12-foot side across the room gives about 34 inches of rug on each side of the bed and roughly 5 feet at the foot, enough for a bench with floor still showing beyond it. Choose this when the nightstands are tall or have legs that would rock on a rug edge.
Layout three: 8x10 under the lower two thirds
An 8x10 placed with its 10-foot side across the room, top edge about a foot in front of the nightstands, gives 2 feet of rug on each side and about 3 feet at the foot. It works in a 12 by 13 room where a 9x12 would run into the dresser. Below 8x10, stop: a 6x9 under a king shows 10 inches a side and the client will notice.
The numbers in one table
| Rug | Orientation | Rug showing each side of the bed | Rug at the foot (layout two) | Best for |
|---|---|---|---|---|
| 10x14 | 14 ft across the room | 44 in | 60 in with nightstands on the rug | Large primary bedrooms, 14 by 16 feet and up |
| 9x12 | 12 ft across the room | 34 in | 60 in | Most king bedrooms, 12 by 14 to 14 by 16 |
| 8x10 | 10 ft across the room | 22 in | 36 in | Smaller rooms, 12 by 13 and under |
| Custom | Room width minus 36 in | 18 in of floor at each wall | As drawn | Rooms where the standard sizes fight the furniture |
The 18 inch rule, and when to break it
Leave 18 inches of floor between the rug and the wall in a standard bedroom, 12 inches in a small one. That gap is what makes a rug look placed rather than fitted. When the room is unusually wide, or the client wants rug underfoot at the closet and the dresser too, a custom size cut from broadloom and bound is often a better answer than two rugs; see the custom rugs guide.
Runners either side of the bed
Two runners, 2.5 by 8 or 3 by 8 feet, along each side of the bed are a legitimate alternative when the floor is the point (wide-plank oak, a stone floor in a coastal house) or when the client wants wool underfoot without covering a radiant-heat floor. They should start at the nightstand and run to the foot of the bed, not beyond.
Pile, pad and construction for a bedroom rug
A bedroom rug is walked on barefoot and rarely sees traffic, so this is where you can spec softer constructions: hand-knotted wool and silk, a plush hand-tufted, a high-pile wool. Keep the pile under 3/4 inch if a bench or nightstand sits on it, so legs do not sink and rock. Pad is non-negotiable on hard floors: a 1/4-inch felt-and-rubber pad under a hand-made rug, a thinner rubber pad under a flatweave. Our bedroom filter lists the styles we spec most for this room.
Questions designers ask
Can I place a 9x12 rug under my king bed?
Yes, and it is the most common choice. With the 12-foot side across the room, it extends about 34 inches past each side of a standard king and about 5 feet at the foot in the standard layout.
Is an 8x10 too small for a king bed?
Not if it is placed under the lower two thirds of the bed with the nightstands on the floor. It shows about 22 inches on each side. Under the whole bed it is too small.
How do you layer rugs under a bed?
Put a larger flat, neutral piece down first (a sisal, a flatweave or a bound wool broadloom) sized to the full layout, then a smaller patterned or hand-made rug across the foot of the bed, 6x9 or 8x10, with its long side across the room. The under-rug carries the room; the top rug carries the color.
How big is a 4x6 rug, and does it work beside a king?
A 4x6 is 48 by 72 inches. Beside a king it works only as a bedside runner on one side, and a 2.5x8 or 3x8 runner is the better proportion for that job.
How do you clean a large area rug in a bedroom?
Vacuum with the beater bar off, rotate the rug twice a year so the side nearest the window fades evenly, and send hand-made wool out for washing every three to five years. Bedrooms are the easiest rooms on a rug, which is why silk and viscose are acceptable here and nowhere with traffic.
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