Generally 6 inches, 8 inches, 10 inch, 12 inch, 14 inch, 16 inch. Usually, we say that the size of the cake is inches: 1 inch =2.54cm, 6 inches = 15.24cm≈ 1 pound, 8 inches =20.32cm≈2 pounds,1inch =25.4cm≈3 pounds,/kloc.

6-inch birthday cake is enough for 1-3 people, suitable for couples' birthdays; An 8-inch birthday cake is enough for 3-5 people and suitable for family birthdays. 10 inch birthday cake is enough for 5-8 people, suitable for dormitory classmates and colleagues to celebrate their birthdays; 14 inch birthday cake is enough for 15-20 people, suitable for large-scale birthday celebrations.

Cakes generally include Qifeng Cake, Sponge Cake, Mousse Cake, Cheese Cake, Naked Cake, Crispy Cake, Black Forest Cake and Fancy Cake.

When buying a birthday cake online or in a physical store, you can choose a cake with the right size according to the number of people to avoid wasting or not having enough to eat.