The diagonal length of 10 inch square cake is: 10X2.5 (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. )
Cake size comparison table
6 inches = 15.24cm≈ 1 lb: suitable for about 2-4 people, suitable for birthday parties, Valentine's Day, Mother's Day and other festivals.
8 inches =20.32cm≈2 kg: 4-6 people eat, suitable for birthday parties, various festivals, visiting relatives and friends.
10 inch = 25.4cm ≈ 3kg: 6- 10 person, suitable for birthday parties, various festivals, visiting relatives and friends.
12 inch = 30.48cm ≈ 4kg: 10- 12 people, suitable for birthday parties, various festivals, visiting relatives and friends.
14 inch = 35.56cm ≈ 5kg: 12- 14 people, suitable for company and classmate gatherings.