Square Cake Pans Sizes. Cake boards square white masonite 6mm; Number of servings = pan area ÷ cake serving size area.
25 x 25 x 5 cm: 18 x 26 pan = 468 2 pan area; 13 x 9 x 2 inches:
28 x 18 x 5 cm:
(1) 8 x 8 x 3 square pan. 10 x 10 x 2 inches: Cake boards square blue masonite 6mm; Cake serving size area = piece of cake length x piece of cake width.