A dining table size guide helps you choose the right table for both seating capacity and room space. The right dimensions ensure everyone sits comfortably while leaving enough room to walk around the table.
As a rule, allow 60 cm of table width per person and at least 90 cm of clearance between the table edge and walls or furniture. This guide explains what size table seats 4, 6, 8, or 10 people, plus a simple rule to check if it fits your dining room.
Dining Table Size Guide by Seating Capacity
The size of a dining table depends on both shape and number of seats. Rectangular tables are the most common in UK homes because they fit well in most rooms and often include extension leaves.
Dining Table Size Chart
| Seats | Rectangular Table (cm / in) | Round Table Diameter (cm / in) |
|---|---|---|
| 4 | 120–140 × 80–90 (47–55 × 31–35) | 100–110 (39–43) |
| 6 | 150–180 × 85–95 (59–71 × 33–37) | 120–130 (47–51) |
| 8 | 200–220 × 90–100 (79–87 × 35–39) | 140–150 (55–59) |
| 10 | 240–260 × 100–110 (94–102 × 39–43) | 160–170 (63–67) |
Many households prefer extendable tables so they can seat extra guests without taking up space every day. Our Florence range of extendable dining tables offers a practical solution for both family meals and larger gatherings.

Queenbury large dining table with oak top – perfect for family meals.
Recommended Space Around a Dining Table
Even the perfect table size won’t feel comfortable if there isn’t enough room around it.
Dining Room Clearance Rules
Minimum clearance: 90 cm (36 in) from table edge to wall or furniture
Comfortable clearance: 100–110 cm (39–43 in) for easier movement
Chair space: allow 45–50 cm (18–20 in) behind each chair when pulled out
This space allows guests to sit down and move comfortably without bumping into walls or cabinets.
Quick Room-Clearance Calculator
You can estimate the largest table that fits your room using a simple rule:
Room width or length − 180 cm (71 in) = maximum table size
Example:
Room length: 400 cm (157 in)
400 − 180 = 220 cm table length
This allows 90 cm clearance on both sides of the table.
Extendable options such as those in the Queensbury dining collection work well in medium-sized rooms because they expand only when needed.
Dining Table Shapes Compared
The shape of your table also affects how many people it can seat.
| Table Shape | Best For | Benefits |
|---|---|---|
| Rectangular | Medium to large rooms | Seats more people efficiently |
| Round | Smaller dining rooms | Encourages conversation, no sharp corners |
| Extendable | Flexible spaces | Expands for guests |
FAQs About Dining Table Sizes
What size dining table seats 6 people?
A rectangular table around 160–180 cm long and 90 cm wide (63–71 in × 35 in) comfortably seats six people, allowing about 60 cm (24 in) of space per person.
How much space should you leave around a dining table?
Allow at least 90 cm (36 in) between the table and walls or furniture so chairs can move comfortably.
What size table is best for 8 people?
A table around 200–220 cm long and 95–100 cm wide (79–87 in × 37–39 in) typically seats eight people.
Can a 180 cm table seat 8?
Usually not comfortably. A 180 cm (71 in) table typically seats six people, though it may squeeze in eight for occasional use.
Are round tables better for small dining rooms?
Yes. Round tables often feel less crowded in smaller spaces and allow flexible seating because there are no corners.
Should I choose an extendable dining table?
Extendable tables are ideal if you entertain guests occasionally. They provide everyday space savings while offering extra seating when required.
Find the Perfect Dining Table
Choosing the right dining table size ensures your space feels comfortable, practical and welcoming. If you’re ready to upgrade your dining area, explore our dining tables and chairs collections or browse popular ranges such as Florence, Queensbury, and Edvard Olsen.
If you’re unsure about sizing, our team can also help with a quick dining-room sizing and selection chat to help you find the perfect fit.






