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Cake Serving Calculator

Tell us about your celebration and we'll help estimate a cake size with enough slices to go around.

Plan your cake

Estimate your servings

Enter a whole number from 1 to 120.

Party portions are larger slices. Wedding-style portions are smaller slices, commonly around 1 by 2 inches.

Extra servings can help with generous cutting, unexpected guests, or leftovers.

Free to use · No sign-up required

Your cake recommendation will appear here

Add your guest count and celebration preferences, then select “Calculate cake size.”

A little cake-planning help

What to know before you order

Why counts vary

Taller cakes, extra layers, bakery recipes, and different cutting patterns can all change how many slices a cake yields.

Portion styles

Party portions are generous. Wedding-style portions are smaller—often around 1 by 2 inches—so the same cake can serve more people.

A little extra helps

A small buffer can make room for generous slices, unexpected guests, or a few pieces to enjoy after the celebration.

More helpful tools ahead

More ways to make planning a little easier

We’re building more simple tools, ideas, and planning help for parties, celebrations, names, and life’s happy moments.