Generally speaking, when describing the size of a cake, "inch" means inch. So, 10 inch is 25.4 cm. Then, the diameter of 10 inch cake is about 25 cm, which is enough for 5-8 people. ?
Extended data:
The diagonal length of 1 and 10 inch square cakes is:10x2.5cm (about 2.5cm per inch) = about 25cm. (The size of a square cake is measured by the diagonal, because the diagonal is the longest, and this length can only fit into a 10 inch cake box. ) wide, because of the square, it can be converted by trigonometric function sin45 (square, diagonal and two sides form an isosceles right triangle, and the angle between diagonal and side is 45 degrees), that is, width = 25x0.71=17.75cm or so.
2. The diameter of 10 inch cake is about 25 cm. Because the bottom embryo of the cake is baked in a standard size cake mold, the diameter of the cake blank is more than 25 cm. Once it is made into a cream cake and other finished products, the diameter will be larger, and it will increase by1~ 2 cm or more according to different plastering and decoration, which is about enough for 5-8 people.