The rule that governs everything.
Every dining table — round, rectangular, oval, square — follows the same underlying principle. Each person needs somewhere between 24 and 30 inches of table edge to sit comfortably. That's the entire secret. Once you know your numbers, seating capacity becomes simple math.
So how do you pick between 24 and 30? It depends on the occasion you're designing for.
See it for yourself.
Pick a shape and drag the sliders. This is the same math we walk every client through — we've just skipped the tape measure.
Build Your Table
Adjust dimensions to see recommended seating.
A quick reference for common sizes.
The sizes below are the ones we build most often. Use them as a starting point — and remember, the same rule applies whether your table is round, oval, or rectangular.
Rectangular & Oval
| Size | Seats |
|---|---|
| 60″ × 36″ (5×3) | 4 up to 6 |
| 72″ × 36″ (6×3) | 6 up to 8 |
| 72″ × 42″ | 6 up to 8 |
| 84″ × 42″ (7×3.5) | 6–8 up to 10 |
| 96″ × 48″ (8×4) | 8 up to 10 |
| 108″ × 48″ (9×4) | 10 up to 12 |
| 120″ × 48″ (10×4) | 10–12 up to 14 |
Round Tables
| Size | Seats |
|---|---|
| 42″ | 4 cozy |
| 48″ | 4 up to 5 |
| 54″ | 5 up to 6 |
| 60″ | 6 up to 7 |
| 66″ | 6–7 up to 8 |
| 72″ | 8 up to 9 |
| 84″ | 9–10 up to 11 |
Give your table room to breathe.
Before you lock in a size, measure the walkway around it. Our rule of thumb: leave at least 36 inches of clearance between the edge of your table and the nearest wall or piece of furniture. That's enough room for a chair to pull out and for someone to walk behind the person seated in it.
If the table is only against a wall (like in a breakfast nook), 36″ is still our recommendation on the open sides. Tight on space? You can get away with 30″, but it will feel snug the moment someone stands up.
The 36-inch rule.
That dashed outline is the invisible footprint your table actually occupies. A 96″ × 48″ table in a room with proper clearance needs a space of roughly 14 feet by 10 feet to feel right.
If you're not sure your space can handle the size you want, measure the room and subtract 72″ (36″ on each long side) and 72″ on the ends. What's left is your maximum table footprint.
Don't let the chandelier choose your table.
An electrician can move a chandelier in an afternoon for a few hundred dollars. A dining table is heirloom furniture you'll own for generations. Get the table size your space and family need — then have the light fixture moved to match.
A few more things worth knowing.
Standard height is 30″.
Dining chairs are built to pair with a 30″-tall surface. Anything taller is counter or bar height — a different furniture category altogether.
Round tables start conversation.
With no head of the table, round tops naturally encourage everyone to talk to everyone. Great for families and intimate dinners — just know that past 60″, the middle gets hard to reach.
Benches save space — and seats.
A bench on one long side of a rectangular table can seat one or two more people than chairs would, and it tucks completely underneath when not in use. Ideal for growing families.
Width matters more than you think.
A 36″-wide table leaves just enough room for place settings and a centerpiece. We recommend 42″ wide for most clients — it lets you actually use the middle for serving dishes, candles, and flowers.
Center the table under the light, not the room.
The table should sit directly under its pendant or chandelier — not necessarily centered in the room. If the two don't align, it's the fixture that moves.
Chair style affects capacity.
Armchairs and captain's chairs take up more edge — plan on 28–32″ each. Slim side chairs or parsons chairs can slide closer, closer to that 24″ mark.
Tape the footprint to your floor.
Before you order, use painter's tape to mark the exact outline of the table on your floor. Live with it for a few days. You'll know immediately whether it's the right size.
Rugs are optional — but if you use one…
It should extend at least 24″ beyond the table on every side so chairs don't catch on the edge when pulled out. Most people undersize their dining rug.