How many inches of cake are suitable for how many people
Generally speaking, cakes below 12 inches are suitable for various birthday parties, visiting friends and relatives or festivals, while cakes above 12 inches are usually used for company parties, class reunions and other occasions with more people.
Usually we call the size of the cake as inches, 1 inch is equal to 2.54 centimeters. A few inches of cake corresponds to the size of the diameter of the cake.
If it is a multi-layer cake, the size difference between the adjacent upper and lower layers is at least 4 inches. For example, a 10-inch should be stacked at least 14 inches, not 12 inches.