The typical cereal box is around 12 inches tall and 8 inches broad. Depending on their contents, not all cereal boxes have the same dimensions, but the majority measure within an inch of one another.
Kellogg’s, one of the most popular cereal companies, typically utilises a cereal box that is 12 inches by 7 3/4 inches and has a depth of approximately 2 inches. In addition to cereal varieties, brand-specific box sizes also vary. Many manufacturers also provide bonuses when the size of their box is increased by a specified amount, typically 25 percent greater than the standard size.