Quick answer
A 4-person dining table is about 120 × 80 cm (47 × 31 in), a 6-person is 160 to 180 × 90 cm (63 to 71 × 35 in), and an 8-person is 200 to 240 × 100 cm (79 to 94 × 39 in). Add 75 cm (30 in) on every side for pulling out chairs, so a 6-seater needs a room roughly 330 × 280 cm (130 × 110 in).
The table itself is only half the calculation. A dining table that “seats six” needs far more floor than its footprint suggests, because everyone needs room to pull out a chair and sit down. Plan the table plus its chair clearance as a single block, and check that block against the room before buying. Below are the standard sizes and the space each one really takes.
All measurements are approximate. Actual dimensions vary by manufacturer; always verify with the product spec before buying. These figures are intended for room planning, not purchasing decisions.
Rectangular dining tables
| Seats | Metric | Imperial |
|---|---|---|
| 2-person | L: 75–90 cm · W: 60–75 cm | L: 30–35 in · W: 24–30 in |
| 4-person | L: 120–140 cm · W: 75–90 cm | L: 47–55 in · W: 30–35 in |
| 6-person | L: 160–180 cm · W: 80–90 cm | L: 63–71 in · W: 31–35 in |
| 8-person | L: 200–240 cm · W: 90–100 cm | L: 79–94 in · W: 35–39 in |
| 10-person | L: 260–300 cm · W: 100–110 cm | L: 102–118 in · W: 39–43 in |
Standard table height is 74–76 cm (29–30 in). Allow about 60 cm (24 in) of length per person along each side; the ends can seat one more each on longer tables.
Round and square dining tables
| Seats | Metric | Imperial |
|---|---|---|
| 2-person round | Ø 70–90 cm | Ø 28–35 in |
| 4-person round | Ø 90–110 cm | Ø 35–43 in |
| 4-person square | 90–100 cm per side | 35–39 in per side |
| 6-person round | Ø 120–130 cm | Ø 47–51 in |
| 8-person round | Ø 150–180 cm | Ø 59–71 in |
Round tables suit tight or square rooms because they have no corners to walk into and seat people flexibly. A pedestal base also frees up legroom compared with four corner legs.
Room size needed, table plus chairs
| Seats | Metric | Imperial | Notes |
|---|---|---|---|
| 4-person | Room: ~280 × 250 cm | Room: ~110 × 98 in | Table 120 × 80 cm + clearance |
| 6-person | Room: ~330 × 280 cm | Room: ~130 × 110 in | Table 180 × 90 cm + clearance |
| 8-person | Room: ~390 × 300 cm | Room: ~154 × 118 in | Table 240 × 100 cm + clearance |
These room sizes assume 75 cm (30 in) of chair clearance on all four sides. If one side sits against a wall (a table pushed into a corner or a banquette), you can reclaim that clearance and fit a larger table into the same room.
Clearance rules that make a table work
- Chair pull-out: 75 cm (30 in) minimum from table edge to wall, 90 cm (36 in) comfortable.
- Walk-around route: 90–100 cm (36–39 in) on any side people pass behind seated diners.
- Extension leaves: always plan at the extended length, and leave room to store the leaf when not in use.
For clearances across the rest of the home, see the furniture clearance guide.
Planning with real dimensions
The reliable way to size a table is to test it in your actual room. Upload your floor plan image to Layoutr, set the scale by clicking two points a known distance apart, and place the table at its true size. Add the 75 cm (30 in) chair clearance around it and you will see at a glance whether people can sit down without hitting the wall.
Frequently asked questions
What is the standard size of a 6-seater dining table?
A 6-seater rectangular table is typically 160–180 cm (63–71 in) long and 80–90 cm (31–35 in) wide. A round 6-seater is 120–130 cm (47–51 in) in diameter. Allow at least 75 cm (30 in) around every side for pulling out chairs, so a 6-seater needs a room of roughly 330 × 280 cm (130 × 110 in).
How much space does each person need at a dining table?
Allow about 60 cm (24 in) of table width per person, and at least 30 cm (12 in) of depth in front of each setting. That is why a comfortable 4-person rectangular table is around 120 cm (47 in) long and a 6-person table around 160–180 cm (63–71 in).
How much clearance do you need around a dining table?
Leave 75 cm (30 in) from the table edge to the nearest wall or furniture on sides where people sit, enough to pull a chair out and sit down. On sides that also serve as a walkway, 90–100 cm (36–39 in) is more comfortable. Tables with extension leaves should be planned at their extended length.
What size dining table fits in a small room?
In a tight space, a round or square 4-seater (90–110 cm / 35–43 in) works well because it has no corners to catch on and people can share the space more flexibly. A drop-leaf or extending table lets you keep a small footprint day to day and expand only when needed.
How do I check a dining table against my room?
In a tool like Layoutr, set the real-world scale from your floor plan image, then place the table at its true size plus the 75 cm (30 in) chair clearance around it. You will see immediately whether people can get in and out without hitting the wall or other furniture.
Test a dining table on your actual floor plan
Upload your floor plan, set the scale in two clicks, and place a table with its chair clearance at true real-world dimensions. Free to use, no account required.
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