Tiered Cake Servings Calculator
Fill in the values and the answer updates as you type.
How the Tiered Cake Servings Calculator works
The top face of a round tier has an area of π × diameter² ÷ 4. Dividing by the area of one slice gives the servings: a wedding slice of 1 by 2 inches has 2 square inches, and a dessert slice of 2 by 2 inches has 4. This matches the usual cake charts, such as about 57 slices for a 12 inch tier. The method assumes each tier is about 4 inches tall, so a tall tier cut in two layers gives the same count. Many couples keep the top tier for later, so subtract it if you plan to do that. Bakers may also serve some guests a smaller slice, so ask your baker for their own chart. Example: with Bottom tier diameter 12 in, Middle tier diameter (0 for none) 9 in, Top tier diameter (0 for none) 6 in, Slice size Wedding slice (1 x 2 in), and Guests 100, the result is Total cake servings = 103; Bottom tier servings = 57; Middle tier servings = 32.
Inputs and results
The Tiered Cake Servings Calculator takes 5 inputs and gives 6 results.
What you enter
- Bottom tier diameter (in) — starts at 12.
- Middle tier diameter (0 for none) (in) — starts at 9.
- Top tier diameter (0 for none) (in) — starts at 6.
- Slice size — starts at Wedding slice (1 x 2 in). Choose from: Wedding slice (1 x 2 in) and Dessert slice (2 x 2 in).
- Guests — starts at 100.
What you get
- Total cake servings
- Bottom tier servings
- Middle tier servings
- Top tier servings
- Servings per guest
- More servings needed for one per guest
Example: Tiered Cake Servings Calculator with the starting values
With bottom tier diameter 12 in, middle tier diameter (0 for none) 9 in, top tier diameter (0 for none) 6 in, slice size Wedding slice (1 x 2 in) and guests 100, the calculator returns:
| Total cake servings | 103 |
|---|---|
| Bottom tier servings | 57 |
| Middle tier servings | 32 |
| Top tier servings | 14 |
| Servings per guest | 1.03 |
| More servings needed for one per guest | 0 |
Change any value above and the results update straight away.
Tiered Cake Servings Calculator FAQ
How do I use the Tiered Cake Servings Calculator?
Enter bottom tier diameter, middle tier diameter (0 for none), top tier diameter (0 for none) and slice size in the fields, then read total cake servings, bottom tier servings, middle tier servings and top tier servings in the result panel. The answer updates as you type, and you can press Calculate or Enter to refresh it. Use “Copy link” to share your exact numbers with someone else.
What does the Tiered Cake Servings Calculator calculate?
Servings from up to three round cake tiers. It returns total cake servings, bottom tier servings, middle tier servings and top tier servings from the 5 values you provide.
What values does the Tiered Cake Servings Calculator start with?
It opens with bottom tier diameter 12 in, middle tier diameter (0 for none) 9 in, top tier diameter (0 for none) 6 in and slice size Wedding slice (1 x 2 in) so you can see a working result straight away. Replace them with your own numbers, or press Reset to return to these starting values.
Is the Tiered Cake Servings Calculator free and private?
Yes. It is free, needs no account, and runs in your browser, so nothing you type is sent to or stored on our servers. See the Privacy Policy for details.
Can I rely on the Tiered Cake Servings Calculator for important decisions?
Treat the result as a well-rounded estimate. Real situations often have details a general calculator cannot know, so confirm important decisions with a qualified professional. See the Disclaimer for more.