Cake Serving Size Calculator
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Formula
Round area = π × (d/2)². Square area = d². Servings = area / 4 sq inches per serving. Party servings are approximately 30% more than standard due to smaller slice size.
Frequently Asked Questions
How many servings does a 9 inch cake have?
A 2-layer 9-inch round cake typically provides 16-20 standard servings. For party-sized (smaller) slices, you can get up to 24 servings.
How do I cut a round cake into equal servings?
For a round cake, cut across the center first, then make parallel cuts about 1-1.5 inches apart. Then cut perpendicular lines to create rectangular portions.
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