Cake Servings Calculator โ Estimate Portions by Cake Size
Enter a round or rectangular cake size and your serving dimensions to estimate servings by area and compare them with your guest count.
Estimated servings by area
Cake top area
Calculated remainder area
Round area is ฯ ร (diameter รท 2)ยฒ; rectangular area is length ร width. Cake area is divided by serving area and rounded down.
This is a top-area estimate. It does not account for edge waste when cutting rectangular servings from a round cake, knife width or decorations.