The Best 100 Guest Wedding Cake 2023. When it comes to estimating the cake size, it’s crucial to consider both aesthetics and practicality. It is critical that the wedding cake is of good taste, but keep in mind the rest of the party.

Web bearing in mind the rules from the paragraph above, we can try to assess the size of a cake needed for a wedding. Web when it comes to planning a wedding cake for 100 guests, it’s important to consider how many tiers you’ll need. So for 100+ guests, this would mean a minimum cake size of 200 to 400 square inches.