6 inches: about 15 cm in diameter, suitable for holding fruits, cold dishes and snacks. 6-inch plate 7, 8 inches: about 19 cm in diameter, suitable for holding staple food, noodle soup, etc.
9 inches: about 23 cm in diameter, suitable for family dinners, barbecues, etc. 9-inch board
10 inch or 12 inch: plates of this size are more common in restaurants because of their large capacity, which can be used to hold all kinds of large plates. 10 inch board.
8 inches: generally 25-28 cm 13 in diameter. This size can meet the needs of daily cooking without taking up too much storage space.