Don't know what size cake you need? Use the following guides to make sure all of your guests get something sweet! If you want larger slices adjust accordingly.
Cake Size & Serving Amounts
Round Cakes (Servings are 1" x 2" x 4")
* 6 inch - Serves 10
* 8 inch - Serves 24
* 10 inch - Serves 40
* 12 inch - Serves 60
* 14 inch - Serves 80
* 16 inch - Serves 100
* 18 inch - Serves 150
Square Cakes (Servings are 1" x 2" x 4")
* 6 inch - Serves 18
* 8 inch - Serves 32
* 10 inch - Serves 50
* 12 inch - Serves 72
* 14 inch - Serves 98
* 16 inch - Serves 128
* 18 inch - Serves 162
Sheet Cakes (Servings are 2" x 2" x 2")
* 1/4 Sheet (9" x 13" x 2") - Serves 24
* 1/2 Sheet (11" x 15" x 2") - Serves 35
* Full Sheet (12" x 18" x 2") - Serves 54