A sideboard sits on the one wall of the dining room that everyone walks past, which means the right size depends less on the sideboard itself and more on the room around it. Get the length wrong and it looks like a bookshelf that wandered in from the hallway. Get the depth wrong and every guest on that side of the table has to suck in their stomach to reach a chair.
The good news is that sizing a sideboard comes down to three numbers and one tape measure. Length is set by your dining table. Height and depth are set by how you'll use the top. Clearance is set by the people moving through the room. Work through them in that order and the shortlist writes itself.
This guide walks through each number, shows the arithmetic for a typical dining room, and finishes with sideboards from our collection sorted by size, from a 41.6-inch compact cabinet to a 100-inch statement piece.
How long should a sideboard be? Start with your table
The most useful rule of thumb for sideboard length is about two-thirds the length of your dining table. A 72-inch table pairs comfortably with a sideboard around 48 inches long. A 96-inch table can carry something closer to 64 inches. The proportion keeps the sideboard reading as a supporting piece instead of competing with the table for attention.
Treat two-thirds as a starting point. Matching the table's length works well in long, narrow rooms where the sideboard and table run parallel, because the two pieces line up like a pair. The one length to avoid is a sideboard noticeably longer than the table it serves, which tends to make the table look undersized.
The wall sets the other limit. Leave some breathing room at each end, ideally a foot or more, so the sideboard doesn't look jammed between a doorway and a corner. In practice that means measuring the wall, subtracting at least 12 inches from each end, and treating what's left as the maximum length.
Here's the arithmetic for a common setup:
- Dining table: 72 inches long
- Two-thirds of the table: 48 inches
- Wall length: 110 inches, minus 24 inches of end clearance, leaves 86 inches
- Sweet spot: roughly 48 to 72 inches
If your table is on the small side, or the room doubles as a walkway, a compact piece like the Harper Walnut Brown Rubber Wood Sideboard works at 41.6 inches wide and 17 inches deep, with three drawers and a door cabinet. And if your current "sideboard" is a bookcase or a dresser pressed into dining duty, that's usually the reason the room feels off: the depth and height were never meant for serving. Browse the full range in our dining room sideboard collection.
Sideboard height and depth: what the numbers mean
Most sideboards land between 30 and 36 inches tall. Dining tables usually sit around 30 inches, so a sideboard at the same height or a few inches taller lines up neatly when you're serving from it. Taller pieces, around 34 to 36 inches, put platters and drinks at an easy standing height and give you more interior storage. Lower pieces, around 26 to 30 inches, leave more wall for art or a mirror above.
Depth matters more than people expect. Standard sideboards run 15 to 20 inches deep, and every inch of depth comes straight out of your walkway. A 20-inch-deep piece holds dinner plates and serving bowls with room to spare. A 15-inch-deep piece is the better call in a tight room, as long as your largest platters fit inside.
A quick way to choose:
- Serving buffet: 32 to 36 inches tall, 17 to 20 inches deep
- Storage and display in a tight room: 26 to 31 inches tall, 15 to 17 inches deep
- Double duty as a media or bar cabinet: check interior shelf height and any cord access before you buy
Measure the biggest thing you plan to store before you fall for a shape. A sideboard full of shelves that are an inch too short for your dinner plates is just a very handsome box.
How much space you need between the sideboard and the table
Clearance is the number that decides whether a dining room works on a busy night. Measure from the front edge of the sideboard (not the wall) to the edge of the table.
- 36 inches is the practical minimum. It lets someone pull out a chair and sit down without hitting the sideboard doors.
- 42 to 48 inches is comfortable if people need to walk behind seated guests, or if you'll open the sideboard doors while dinner is underway.
Here's how that plays out in a 12-foot-wide (144-inch) dining room with a 40-inch-wide table:
- Table width: 40 inches
- Clearance on the sideboard side: 36 inches
- Clearance on the opposite side: 36 inches
- That's 112 inches used, which leaves 32 inches for the sideboard and any extra walkway
A 17- or 18-inch-deep sideboard fits with room to spare in that room. Push the clearance to 42 inches on the busy side and you still have 26 inches, enough for a standard sideboard. Ask for 48-inch walkways on both sides plus a 20-inch-deep piece and you need 156 inches, so the math stops working, which is exactly the trade-off to catch before the delivery truck shows up.
If the numbers don't work at all, a bar cart or a narrow console can handle drinks and serving without claiming a full 18 inches of floor.
How to measure your dining room for a sideboard
Five measurements, ten minutes, and you'll know which sizes to shop.
- Measure the wall where the sideboard will go, door frame to corner. Note outlets, vents and light switches.
- Measure your table's length and width, including any leaf you add for holidays.
- Measure from the wall to the table edge with chairs pushed in. Subtract 36 to 48 inches of clearance. What's left is your maximum sideboard depth.
- Measure window sills and art on that wall. A sideboard that rises above a sill looks crowded, so the sill height becomes your maximum height.
- Mark the footprint on the floor with painter's tape and walk around it, ideally while pulling a chair in and out.
Then check the path in: hallway widths, tight turns and stairs. Our guide on measuring a sofa to fit through the door uses the same method, and it applies to any large case piece.
Matching your sideboard to the table (and the TV question)
A sideboard doesn't need to match the dining table. Rooms with a matched set can look like a showroom floor; rooms where the pieces share one connection look collected. Pick one link and let the rest vary:
- Wood tone or undertone. A warm walnut sideboard next to a warm oak table reads as related even though the species differ.
- Hardware metal. Brass pulls on the sideboard that echo a brass light fixture or table base tie the room together.
- Leg shape. Tapered mid-century legs on both pieces connect them even if one is painted.
Deliberate contrast also works: a black or white sideboard against a wood table looks intentional because it isn't trying to match. If you're mixing wood tones, our post on whether a wood coffee table needs to match your floors covers the same undertone logic. For chairs to round out the room, see our dining chairs and benches.
Sideboards also do well as TV stands, with two checks. Height comes first: a 65-inch TV is about 32 inches tall without its stand, and the middle of the screen should land close to seated eye level, roughly 40 to 42 inches from the floor. A lower sideboard, around 26 to 30 inches, gets you closer than a 36-inch serving buffet. Second, the sideboard should be wider than the TV, with a few inches to spare on each side, and you'll want a way to route cords. For more on screen sizing, see what size TV stand you need for a 65-inch TV or browse our TV and entertainment consoles.
Sideboards worth a look, sorted by size
These are pulled from our current collection and listed from most compact to longest, with the dimensions that matter for sizing. All were in stock when this post was written.
Harper Walnut Brown Rubber Wood Sideboard, 41.6" W x 17" D x 30" H. Solid rubberwood with three drawers and a door cabinet. The pick for a table under 60 inches or a dining nook where a full buffet would crowd the room.
Leander White Wave Texture Sideboard, 59" W x 15" D x 26.5" H. Only 15 inches deep, which is the shallowest piece here, and low enough to leave space for a mirror or art above. Four doors with a sculptural ripple texture, interior shelves and an anti-tip design. A strong option for tight rooms and for a mid-size TV.
Draper Mid-Century Rubberwood Sideboard, 50" or 66" W x 17" D x 36" H. Solid rubberwood in a hand-finished teak brown, with tapered legs and antique-brass-finish recessed pulls. The 36-inch height puts it at standing-serving height. Choose the 50-inch three-door version for a 72-inch table or the 66-inch four-door version for a table around 96 to 100 inches. Assembly is required.
Wiley Sideboard, 60" W (3 drawers) or about 67.5" W (4 doors) x 19" D x 30" H. Mango wood in Vintage Brown or Natural, with round legs and brass-finish handles. At 30 inches it sits right at table height, and it arrives fully assembled. The three-drawer version suits linens and flatware; the four-door version swallows serving bowls.
Mako Sideboard, 76" or 100" W x 18" D x 34" H. A shagreen-patterned wrap over a solid oak frame on brass-tone metal legs. The 76-inch size anchors a dining table of roughly 96 to 114 inches by the two-thirds rule; the 100-inch size is for long rooms and long tables. The textured surface wipes clean with a dry microfiber cloth.
One more worth knowing about if the sideboard will double as a coffee bar or media cabinet: the Clementine Walnut Fluted Sideboard (66.93" W x 15.75" D x 31.5" H) has built-in power outlets and an LED-lit open shelf.
See every size and finish in our dining room sideboard collection, or pair one with a table from our dining furniture sets. Shipping is free within the continental U.S.
Getting your sideboard home
Sideboards are heavy, long and awkward on stairs, so it's worth planning delivery the same way you planned the size. Standard shipping is free on every order within the continental U.S. If you'd rather not carry a 100-pound cabinet up two flights, white glove delivery is available as a paid upgrade at checkout and covers in-room placement, assembly and cleanup.
Furnishing a rental, a hotel or a commercial space? Trade pricing is available by quote. You'll find the current details, and a way to ask about sizing for your room, on our FAQ and design consult page.
Frequently asked questions
How long should a sideboard be compared to a dining table?
A sideboard looks best at roughly two-thirds the length of the dining table, so a 72-inch table pairs well with a sideboard around 48 inches long and a 96-inch table with one around 64 inches. A sideboard can match the table's length in a long, narrow room, but one noticeably longer than the table tends to make the table look undersized. Leave at least a foot of wall at each end.
How much space do I need between a sideboard and a dining table?
Leave at least 36 inches between the front edge of the sideboard and the edge of the dining table, which is enough to pull out a chair and sit down. Allow 42 to 48 inches if people need to walk behind seated guests or if you plan to open the sideboard doors during meals. Measure from the sideboard's front, not from the wall.
Does a sideboard need to match the dining table?
No. A sideboard and dining table look better when they share one connection, such as a similar wood undertone, the same hardware metal or a similar leg shape, than when they are an exact matched set. A deliberate contrast also works, like a black or white sideboard next to a wood table, because it reads as a choice rather than a near miss.
Can I use a sideboard as a TV stand?
Yes, as long as the height and width work. The center of the screen should sit close to seated eye level, around 40 to 42 inches from the floor, so a lower sideboard of about 26 to 30 inches works better than a 36-inch serving buffet. The sideboard should also be wider than the TV, with a few inches spare on each side, and have a way to route cords.
What is the standard height of a sideboard?
Most sideboards are 30 to 36 inches tall. Pieces around 30 inches line up with a standard dining table, pieces around 34 to 36 inches put serving dishes at a comfortable standing height, and lower pieces around 26 to 30 inches leave more wall space for art or a mirror and work better as TV stands.
What is a good sideboard size for a small dining room?
In a small dining room, look for a sideboard 15 to 17 inches deep and around 40 to 60 inches long, then confirm you still have at least 36 inches of clearance between its front edge and the table. If the room cannot spare that depth, a bar cart or narrow console can handle drinks and serving without taking a full sideboard's footprint.
Find the right size for your room
Shop sideboards from 41.6 to 100 inches in our dining room sideboard collection, with free shipping within the continental U.S.