The following information will help you select the proper size and
configuration of your cake. The first chart shows the approximate
numbers of servings that can be expected from the corresponding size of
a round 2-layer cake.
Size of round cake
Servings: 4" x 2" x 1
3/8"
6
10
8
18
9
23
10
29
12
41
14
56
16
73
18
93
20
114
22
138
24
165
sheet 9 x 13
48
sheet 11 x 15
60
The second chart can be used as a guide to select the best
configuration based on the number of guests you are expecting. Because
it is often the custom for the bride and groom to keep the top tiers,
these yields exclude the top tier.