600*600mm，？ 800*800mm？ 900 * 900 mm.

Second, a long square table.

120*60cm， 120*55cm， 150*60cm。

Remarks: the size of a square table is generally 60cm? Is the size of a regular fast food table and chair for two people, 120*60cm is the size of a regular fast food table and chair for four people, and the height of the regular dining table is 72-75cm.

Third, the round table.

If your restaurant has a large space, you can match several round dining tables in the middle of the restaurant, which generally vary in size from diameter. 120cm table can seat 8 people, which is a bit crowded. 10 people can sit easily 10 cm, 12- 15 people 180cm, and 220cm exceeds 15 people.

Remarks: The height of the dining table is generally 72cm, which is the normal height of the dining table, and the height of the dining chair is 45cm. At present, there are some differences in the height of dining tables and chairs sold in the market. Be sure to give it a try when choosing to see if it matches the height of the dining table.