The size of a cake means inches, 1 inch equals 2.54 cm, and a 4-inch cake is just a little more than 10 cm. If the cake is square, the diagonal length of the cake is about 10.2 cm. If the cake is round, the diameter of the cake is about 10.2 cm, which can be eaten by two or three people.
Circle size:
Square size:
Size of other cakes and applicable number of people
1, 6 inches is 15.24cm, for about 2-4 people, suitable for birthday parties, Valentine's Day, Mother's Day and other festivals.
2, 8 inches is 20.32cm, 4-6 people eat, suitable for birthday parties, various festivals and visiting relatives and friends.
3, 10 inch is 25.4cm, 6- 10 people eat, suitable for birthday parties, various festivals and visiting relatives and friends.
4, 12 inch is 30.48cm, 10- 12 people eat, suitable for birthday parties, various festivals and visiting relatives and friends.
5, 14 inch is 35.56cm, 12- 14 people eat, suitable for company and classmate gatherings.
6, 16 inch is 40.64cm, 14- 16 people eat, suitable for all kinds of medium-sized celebrations.
7, 18 inch is 50.5cm, 18-22 people eat, suitable for all kinds of medium-sized celebration activities.