A small dining room needs to work during dinner, not only when every chair is pushed in. Plan around the meals you actually have.
Measure the dining area in use
Mark the table footprint and add the positions of pulled-out chairs. Check the path between the dining area, kitchen and doors. An empty-room measurement can be misleading when the chairs are occupied or a cupboard is open.
Write down the number of people who use the table daily and how often you need extra seats. This helps you decide whether the room should hold a larger table all the time.

Compare shapes by their actual dimensions
Round, square and rectangular tables can all work in a small room. Look at the listed length and width, leg positions and neighbouring furniture. A round shape does not guarantee a smaller footprint, and a narrow rectangle may still obstruct a main walkway.
Check what can tuck away
Armless chairs or a bench may tuck under some tables, but measure the underside and the space between the legs first. A bench is only useful if people can get in and out without moving everything else.
Consider extension and folding carefully
Where a table has an extension or folding feature, compare both configurations. Check leaf storage, the operating instructions and the space needed to use it. Do not treat a feature as included unless the specific product says so.
Keep the purchase simple
Start with the furniture you use every day. Check the complete set price and whether a table, chairs or bench are included. Compare the exact items with a separate-purchase option before deciding which offers better value.
Questions, answered.
Is a round table always better in a small room?
No. Compare the real footprint, leg position and room layout; the shape alone does not settle it.
How do I check whether a chair tucks under?
Compare its overall arm height and width with the table’s underside clearance and leg spacing.