8-inch cake: 3-5 people.

12 inch cake: 8- 10 people.

14 inch cake: 10- 12 people.

16 inch cake: 12 people or more.

The conversion relationship between cake inches and centimeters is: 1 (inches) inches = 2.54cm.

Extended data:

Multi-layer cake size, the difference between the upper and lower layers is at least 4 inches. For example, 8 inches should be at least 12 inch, not 10 inch. The price is calculated according to the sum of the prices of all floors.

The choice of birthday size actually depends on the occasion and the number of people. If there are two people, it should be six inches. If many people spend a good meal together at home, there is no need to be happy. Five or six people, eight inches is enough. If it's eight or nine people, 12 inch is about the same. If there are many people, just increase the scale appropriately. Birthday cakes generally don't need to be too big. Just eat one piece. Too much will make you tired.