Dessert Portions Calculator
Figure out how many dessert servings to prepare for a crowd — and translate them into cakes, pies or dozens of cookies.
How it works
Servings = guests × per-guest (light 1.0 / normal 1.25 / sweet 1.75) · cakes = servings ÷ 12 · pies = servings ÷ 8 · cookies = servings × 2
Plan on a little more than one dessert serving per guest — about 1.25 — because some people go back for seconds and a bare one-per-head looks stingy. After a heavy dinner people eat less, while a dessert-focused event or a sweet-toothed crowd pushes the figure higher. A standard 9-inch layer cake yields about 12 servings, a 9-inch pie about 8, and most people take two small cookies.
Worked example
For 24 guests at a normal event: 24 × 1.25 = 30 servings. That is ceil(30 ÷ 12) = 3 nine-inch cakes, or ceil(60 ÷ 12) = 5 dozen cookies.
Frequently asked questions
How many desserts per person at a party?
Plan on about 1.25 servings per guest so there is enough for seconds and stragglers. Scale down to one each if a heavy meal comes first, or up toward two if dessert is the star.
How many does a 9-inch cake serve?
A 9-inch round layer cake yields about 12 party-sized slices, or 16 thin slices if it follows a full meal. A 9-inch pie cuts into roughly 8 slices.
Should I offer one dessert or several?
Two or three smaller options usually please more people than one large dessert and let guests sample. When you offer variety, people take smaller portions of each, so total quantity stays about the same.
Related calculators
This calculator is for educational purposes. Double-check important results before acting on them.