Cake serving calculator
Estimate complete cake portions from your preferred serving dimensions and get a grid or wedge cutting plan.
Up to 1,000 portions. No mixed-orientation packing, tiers, decorations or standard event portion chart is assumed. Change the input or settings to update your result. Results update as you type. Up to 1,000,000 characters.
Your result
How to use Cake serving calculator
- Enter the measurements and assumptions for this recipe or plan.
- Review the calculated quantities and their stated basis.
- Download the report and verify it against your measured result.
Useful next steps
Choose your serving size
Enter the cake’s top dimensions and full height, then your target portion length and width. There is no assumed wedding or party serving size.
Read the cutting method
Rectangles use a whole-piece grid with optional rotation and leave narrow edge remainders. Round cakes divide into equal wedges with at least the target top area; those wedges are not rectangular blocks.
Save the result
Download CSV and a text or JSON report with the calculation and its assumptions. Processing stays on your device. Check measurements and selected units before using the result.