Cake Serving Calculator - Free Party Planning Tool
Calculate cake size needed for your guests. Free calculator determines perfect cake portions for weddings, birthdays, and events.
Inputs
About Cake Sizes
Serving sizes are based on standard party portions.
Perfect For
- Birthday parties
- Weddings
- Special events
Results
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How the Cake Serving Calculator Works
The calculator uses cake dimensions and standard slice sizes to determine how many guests a cake will serve.
- 1
Step 1
Select the cake shape (round, square, or sheet)
- 2
Step 2
Choose the cake size
- 3
Step 3
Get the number of servings and slice guide
Use Cases
Planning wedding cake tiers and sizes
Ordering birthday cakes for parties
Corporate event catering decisions
Home baking for gatherings
Tips
- 1
Wedding slices are smaller (1"x2") than party slices (2"x2")
- 2
A 9-inch round cake serves 12-16 party portions
- 3
Sheet cakes are most economical for large groups
- 4
Order 10-15% extra for unexpected guests
Common Mistakes
Using wedding portions for casual parties (too small)
Forgetting some guests won't eat cake
Not accounting for cake height in estimates
Ordering too little for photo-worthy leftovers
Frequently Asked Questions
How many people does a 9-inch cake serve?
What size cake for 50 guests?
How do I cut a round cake evenly?
Should I get extra cake?
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