1.5m diameter round table is suitable for a turntable of about 80cm. When selecting the turntable, it is necessary to ensure that the turntable is moderate in size, which is not only convenient for holding food, but also can avoid the space waste or inconvenient rotation caused by the oversized turntable. Generally speaking, the diameter of the turntable is 40 to 60 cm smaller than that of the round table. Therefore, for a round table with a diameter of 1.5 meters, it is more appropriate to choose a turntable of about 80 cm. This configuration allows everyone to get food conveniently without being too crowded. At the same time, in the actual purchase, it can also be adjusted according to the specific needs of families or restaurants. A turntable is a disk that can rotate on some objects. A disk-shaped device that is convenient for locomotives or other vehicles running on tracks to turn around. When the vehicle runs on the disc, the disc is rotated by machine or manpower to make the vehicle face the direction to go.