Rug Size for a King Bed: Layouts, Sizes and What Shows

A king bed is 76 inches wide, and a rug that looked generous in the product photo can turn into a thin strip once the frame and two nightstands are on it. The usual fix is to buy bigger, but a 10’ x 14’ will not fit on a 12-foot wall, and a 9’ x 12’ can end up showing less past the foot than you would think. Below is the order to work in: measure the frame, pick a layout, check how much rug shows on each side, then check it against your walls, with sizes you can tape out on the floor.

The short answer

• Bed and nightstands on the rug: a 10’ x 14’, or a 9’ x 12’ in a smaller room. Starting at the headboard wall, the 10’ x 14’ shows 26.75 to 28.5 inches past the foot of a 91.5 to 93.25 inch frame; the 9’ x 12’ shows 14.75 to 16.5 (our arithmetic).
• Rug under the lower part of the bed: a 9’ x 12’ laid crosswise, with the nightstands and the bed’s rear legs off it. An 8’ x 10’ can work with nightstands of 18 inches or less, per one sisal rug maker, though it is not the ideal size.
• Runners: a 3’ x 5’ rug or a custom runner about 6 feet long on each side, plus a runner across the foot (one rug maker); or two 2’ x 7’ runners (the size-guide retailer).
• How much should show: 18 inches at the least, 18 to 24 in the guides that give a range.
• Room: 12 x 10 feet is the minimum in one mattress maker’s guide and suits a king in another’s. A 9’ x 12’ needs a 13-foot-4-inch wall to leave 8 inches each side (our arithmetic).
• California king: the same rug sizes; 2 inches more shows each side and about 4 fewer past the foot, see the last section.

First, what are you laying the rug under?

Measure your frame before you look at rugs. A king mattress is 76 x 80 inches and a California king is 72 x 84, but the frame is what sits on the rug, and a headboard can add 4 to 8 inches of width and a footboard or bench 10 to 20 inches of length, per the king-rug retailer. Two frame makers print king sizes:

• An upholstered frame, 83 inches wide and 93.25 long, with a headboard 90 inches wide, per one mattress maker’s frame page.
• A wooden platform frame, 89 inches wide and 91.5 long, per another mattress maker’s frame page.

Your own frame will differ, so measure it at its widest point and from the headboard wall to the foot (our suggestion). The tables below use 76, 83 and 89 inches wide and 91.5 to 93.25 inches long.

Which layout, and what size does each one need?

The layout decides the size. “Crosswise” means the long side of the rug runs side to side across the bed, so a 9’ x 12’ is 144 inches wide and 108 inches deep.

1. The whole bed and the nightstands on the rug

Size: 10’ x 14’, or a 9’ x 12’ if the room is smaller. A washable-rug maker’s size guide says a 9’x12’ or 10’x14’ works best with a king and sits almost completely under the bed and nightstands, leaving about 2’ of rug around the bed. Its bedroom guide calls the 9x12 full coverage under the bed and nightstands. In the king-rug retailer’s guide, a 10’ x 14’ leaves 22 inches per side, enough for nightstands and a bench to sit fully on the rug, and it is the upgrade for a room over 200 square feet. Its 22 inches works out as (120 - 76) / 2, which puts the rug’s short side across the bed, a lengthwise layout (our reading of its numbers; see the sides section below).

Where it sits: the bed centered side to side, the rug’s top edge at the headboard wall. How much shows past the foot is our arithmetic from the rug’s depth (the 9’ x 12’ is 108 inches deep, the 10’ x 14’ is 120):

• 10’ x 14’: 26.75 inches past the 93.25-inch frame, 28.5 past the 91.5-inch one, 40 past a bare 80-inch mattress. That clears the 24-inch top of the 18 to 24 range.
• 9’ x 12’: 14.75 and 16.5 inches past those two frames, 28 past a bare mattress. With a frame it falls 1.5 to 3.25 inches short of 18, so check your frame length before you rely on it.

2. The rug under the lower part of the bed

Size: a 9’ x 12’, or an 8’ x 10’ with small nightstands. In the size-guide retailer’s guide, a king takes a 9’x12’ under the bed with the nightstands and the bed’s rear legs left off it. A vintage-rug maker describes a large rug laid horizontally under the lower two-thirds of a queen or king frame as usually the most generous look, and the washable-rug maker’s bedroom guide starts this layout just in front of the nightstands and runs it past the foot. For an 8’ x 10’, the sisal maker’s bedroom guide says it is not the ideal size for a king but can work with nightstands of 18 inches or less, and calls it good for smaller bedrooms.

Where it sits (our arithmetic): the top edge sits where the nightstands end, and what shows past the foot is that distance plus the rug’s depth minus the frame length. With nightstands 18 inches deep as an example:

• 9’ x 12’: it shows 32.75 inches past the 93.25-inch frame and 34.5 past the 91.5-inch one, more than the 18 to 24 the guides ask for. To bring it down to 24 you would start it 7.5 to 9.25 inches from the wall, and then the nightstands’ front legs are on it.
• 8’ x 10’: it shows 20.75 and 22.5 inches past the same two frames, inside 18 to 24. Its weak point is the sides: see the next section.

A shallower option, the partial tuck. The king-rug retailer’s guide describes a “partial tuck” where the rug goes under just the first 12 to 18 inches of the mattress and extends past the sides and foot; an 8’ x 10’ works there only in a room where the bed sits close to two walls. Its summary line gives a different depth, 10 to 12 inches of tuck for an 8’ x 10’ in small rooms, so the page itself says 10 to 18 inches. This is a different layout from the one above, where the rug starts at the nightstands and runs past the foot. Read with “extends past the sides and foot”, the tucked part is at the foot end (our reading). A crosswise 8’ x 10’ (96 inches deep) tucked 10 to 18 inches then shows 78 to 86 inches past the foot (our arithmetic), far more than the 18 to 24 inches of border in the other layouts, so this is a layout with a large stretch of rug at the foot of the bed; tape it out and see whether you want that.

3. Runners on the sides, and at the foot

Sizes: in the sisal maker’s guide, a 3’ x 5’ rug on either side of the bed or custom runners around 6 feet long, plus a runner across the foot for full coverage. The size-guide retailer names two 2’ x 7’ runners along the sides as the more affordable option, and the king-rug retailer names two 2.5’ x 8’ ones as the budget alternative. The vintage-rug maker says runners suit narrow rooms, guest rooms and beds against a wall.

Where they sit: lengthwise along each side from the nightstands toward the foot (our suggestion). A 2’ x 7’ is 84 inches long, 7.5 to 9.25 inches shorter than the frames above; start it at an 18-inch nightstand’s front edge and it ends 8.75 to 10.5 inches past the foot (our arithmetic). Pick a foot runner at least as long as the frame is wide (our suggestion): a 2’ x 7’ (84 inches) is 1 inch longer than an 83-inch frame and 5 inches shorter than an 89-inch one (our arithmetic). The bed weighs a large rug down, but runners can slip, and the sisal maker’s 2019 post says a rug pad under them can help.

How much rug shows on each side of a king bed?

With the bed centered and the rug laid crosswise, this is how many inches show each side (our arithmetic: rug width minus bed width, divided by two):

Rug, laid crosswise	Bare king mattress, 76 in	Upholstered frame, 83 in	Wooden platform frame, 89 in	California king mattress, 72 in
8’ x 10’	22 in	18.5 in	15.5 in	24 in
9’ x 12’	34 in	30.5 in	27.5 in	36 in
10’ x 14’	46 in	42.5 in	39.5 in	48 in

How much is enough? At least 18 inches beyond the side or foot of a king or queen, per the sisal maker’s 2011 post; 18 to 24 inches in its 2019 post and in the washable-rug maker’s bedroom guide, which counts the foot as well as the sides. The sisal maker’s 2016 post describes one large rug with about 2 feet extra each side and 4 feet at the end.

Against 18 inches, the cell that falls short is the 8’ x 10’ beside the 89-inch frame (15.5); the other 11 cells clear it. Against 24 inches, the whole 8’ x 10’ row falls short in the three king columns, and all 8 cells in the 9’ x 12’ and 10’ x 14’ rows clear it. The 4 feet at the end is beyond a crosswise 10’ x 14’, which shows under 29 inches past the foot of the frames above.

Turned lengthwise, the short side runs across the bed. The king-rug retailer’s 16 inches each side for a 9’ x 12’ and 22 for a 10’ x 14’ match that layout on a bare mattress: (108 - 76) / 2 and (120 - 76) / 2 (our reading of its numbers). Beside the 83-inch frame the same rugs leave 12.5 and 18.5 inches, and beside the 89-inch frame 9.5 and 15.5 (our arithmetic). The king-rug retailer’s bench-on-the-rug 10’ x 14’ is therefore a lengthwise layout (our reading of its 22-inch figure), and its 168-inch depth shows 74.75 to 76.5 inches past the two frames, but only 18.5 and 15.5 inches show beside them. Crosswise, the same rug shows 42.5 and 39.5 inches at the sides but 26.75 to 28.5 at the foot. So lay it crosswise if there is no bench; with a bench, choose between a lengthwise 10’ x 14’ with narrower sides and a crosswise one with the bench’s depth taken out of the foot (our arithmetic).

Do the nightstands and a bench go on the rug?

Nightstands. The guides split on whether they sit on it. The sisal maker’s 2011 post says a 9’ x 12’ leaves room for two nightstands, and that an 8’ x 10’ does not leave much room for them, though small ones may still work. The size-guide retailer’s king layout keeps them off a 9’ x 12’. The king-rug retailer wants at least the front two legs on the rug. Decide which you want (our reading):

• On the rug: a 10’ x 14’, which leaves 42.5 inches beside an 83-inch frame and 39.5 beside an 89-inch one for a nightstand and a border. A 9’ x 12’ leaves 30.5 and 27.5, enough for a nightstand narrower than that with a short border. On an 8’ x 10’ beside the 83-inch frame, an 18-inch nightstand would leave 0.5 inch of border (our arithmetic, if the 18 inches is the nightstand’s width).
• Off the rug: a 9’ x 12’ or an 8’ x 10’ that starts where the nightstands end, as in the second layout. Either rug has to reach past both sides of the bed so there is a landing beside each nightstand, as the vintage-rug maker puts it.
• Wider spacing: a king’s nightstands stand further apart than a queen’s. Measure from the frame’s side to the wall and keep the nightstand’s width in the count; a headboard wider than the frame, like the 90-inch one above, pushes them out another 3.5 inches (our arithmetic).

A bench at the foot. The king-rug retailer’s bench-on-the-rug 10’ x 14’ works out lengthwise (our reading of its 22-inch figure), which leaves 18.5 inches at the sides of an 83-inch frame and 15.5 at an 89-inch one. Laid crosswise and starting at the wall, the same rug shows 26.75 to 28.5 inches past the foot, and the bench’s depth comes out of that; measure your bench and add its depth to the border you want past the foot before you choose (our suggestion and arithmetic). Count the bench in your measurements, as the sisal maker’s 2019 post says.

Will the rug fit your bedroom?

Check the wall behind the bed first, since a crosswise rug runs along it. For a room-size rug on a wood floor, the sisal maker’s 2011 post says to try to leave at least 18 to 24 inches of floor uncovered around the room. The room-by-room retailer’s guide gives at least 8 inches between the walls and a 9’ x 12’ under a king. This is the wall length that keeps each gap (our arithmetic):

Rug, laid crosswise	8 in each side	18 in each side	24 in each side
8’ x 10’	11 ft 4 in	13 ft	14 ft
9’ x 12’	13 ft 4 in	15 ft	16 ft
10’ x 14’	15 ft 4 in	17 ft	18 ft

Then check the other way: from the headboard wall the rug runs 96, 108 or 120 inches for the three sizes when it starts at the wall, and you add the gap you want to the far wall (our arithmetic).

The room size. A king needs 12 x 10 feet at the minimum in one mattress maker’s guide, which gives 12 x 12 or larger for a layout with nightstands, a dresser and clear walkways. Another says 12 x 10 feet suits a king, with 13 x 13 recommended for more space. On a 12-foot wall a 9’ x 12’ touches both side walls, and a 10’ x 14’ does not fit. On a 13-foot wall, a 9’ x 12’ leaves 6 inches each side, short of the room-by-room retailer’s 8; an 8’ x 10’ leaves 18. A 10’ x 14’ needs a wall of at least 15 feet 4 inches (our arithmetic).

Before you order, mark the outline with painter’s tape (the vintage-rug maker’s tip) or a bed sheet (the sisal maker’s 2019 tip) and leave room for doors, drawers and the way to the closet.

In a tighter king bedroom. The options in the guides:

• A smaller rug lower down. In a smaller room a rug can begin just below the nightstands or sit under the lower half of the bed (the vintage-rug maker), as long as it extends beyond the end of the bed (the sisal maker’s 2019 post). That is the 8’ x 10’ in the second layout: on a 12-foot wall it leaves 12 inches each side (our arithmetic).
• Runners. A king centered on a 12-foot wall leaves 30.5 inches of floor each side of an 83-inch frame and 27.5 beside an 89-inch one (our arithmetic): room for a 2-foot-wide runner. A 2.5-foot runner just fits beside the narrower frame and tucks 2.5 inches under the wider one. On a 10-foot wall a bare king leaves 22 inches each side, below that maker’s 24-inch walkway.
• A low rug if a door swings over it. Flatweaves are low enough to let doors open freely, per the vintage-rug maker.

What changes for a California king?

The bed is narrower and longer: 72 x 84 inches, 4 inches narrower and 4 longer than a king. The size-guide retailer’s king layout names a standard or California king for the 9’ x 12’, with a 10’ x 14’ if you have room and 2’ x 7’ runners as the budget option. The sizes are the same, and the numbers move:

• Sides: 2 inches more each side than a king mattress, as in the last column of the table: 36 for a 9’ x 12’, 48 for a 10’ x 14’. The two frame pages above list California king frames 79 and 85 inches wide, which leave 32.5 and 29.5 inches each side of a 9’ x 12’ (our arithmetic).
• Foot: the same frames are 97.25 and 95.5 inches long. A rug starting at the wall shows 10.75 and 12.5 inches past them for a 9’ x 12’, and 22.75 and 24.5 for a 10’ x 14’ (our arithmetic). An 8’ x 10’ (96 inches deep) would not reach the foot of the 97.25-inch frame, so size up.
• Room: 12 x 12 feet at the minimum in one mattress maker’s guide, with 12 x 14 recommended in another, and the length takes its 4 inches from the foot of the bed.

For fibers, pads and the other rooms, see our area rug guide. The queen bed guide has the sizes one step down, and bed sizes lists the mattress sizes. For the rest of the room, see bedroom decor ideas.

Where these numbers come from

Rug sizes and placement come from Sisal Rugs Direct, Ruggable, Boutique Rugs, Revival, Decorsify and Atlanta Designer Rugs guides; mattress, frame and room sizes come from Avocado and Casper pages. In the text, the size-guide retailer is Boutique Rugs, the king-rug retailer is Atlanta Designer Rugs and the room-by-room retailer is Decorsify. All were read on 20 October 2026. The inches each side, the depth under the bed, the wall lengths and the past-the-foot figures are our arithmetic from those numbers.

Frequently asked questions

What size rug goes under a king bed?

A 9' x 12' or a 10' x 14' in the rug guides read here. Laid crosswise, a 9' x 12' leaves 27.5 to 34 inches each side and a 10' x 14' leaves 39.5 to 46 (our arithmetic). The 10' x 14' is the one that also shows 26.75 to 28.5 inches past the foot of a frame when the rug starts at the headboard wall.

Is an 8' x 10' rug big enough for a king bed?

In one sisal rug maker's guide it can work if the nightstands are 18 inches or less. It leaves 22 inches each side of a bare 76-inch king, 18.5 beside an 83-inch frame and 15.5 beside an 89-inch frame (our arithmetic), so it clears an 18-inch border only beside the narrower frames. The king-rug retailer's guide limits it to small rooms where only the first 10 to 18 inches of the mattress sit on it.

How far should a rug extend past a king bed?

At least 18 inches beyond the side or foot of a king in one rug maker's 2011 post; 18 to 24 inches in its 2019 post and in a washable-rug maker's bedroom guide. Another sisal-rug post describes about 2 feet each side and 4 feet at the end for one large rug.

How big a room do I need for a king bed and a rug?

12 x 10 feet is the minimum room for a king in one mattress maker's guide and suits a king in another's. A 9' x 12' laid crosswise on a 12-foot wall touches both side walls; it leaves 8 inches each side on a 13-foot-4-inch wall and 18 inches each side on a 15-foot wall (our arithmetic).

Does a California king need a different rug size?

The same sizes are named for it in the size-guide retailer's guide, but the bed is 72 inches wide and 84 long, so a rug laid crosswise shows 2 inches more each side and 4 inches less past the foot than for a king mattress (our arithmetic).