Cake Serving Size Calculator
Find the perfect cake size for your event, or see how many servings any cake yields. Covers 7 shapes, 35 sizes, with step-by-step cutting guides.
Coffee / Dessert
1.5" x 2" — generous restaurant-style slices
Party
1" x 2" — standard birthday party slices
Wedding
1" x 1" — petite event portions
Recommended for 30 guests (Birthday)
30
servings
Party servings (1" × 2")
30
servings
Party servings (1" × 2")
30
servings
Party servings (1" × 2")
32
servings
Party servings (1" × 2")
32
servings
Party servings (1" × 2")
27
servings
Party servings (1" × 2")
You just calculated servings for one cake. In BakeOnyx, every quote you send includes serving calculations automatically — plus ingredient costs, labour, and profit margins. Try it free →
| Shape | Size | Coffee/Dessert | Party | Wedding |
|---|---|---|---|---|
| Round | 6" | 8 | 12 | — |
| 7" | 10 | 16 | — | |
| 8" | 14 | 24 | 30 | |
| 9" | 18 | 27 | 36 | |
| 10" | 22 | 32 | 44 | |
| 11" | 28 | 40 | 56 | |
| 12" | 34 | 48 | 64 | |
| 14" | 44 | 63 | 90 | |
| 16" | 56 | 80 | 120 | |
| Square | 6" | 10 | 18 | — |
| 7" | 14 | 24 | — | |
| 8" | 18 | 32 | 48 | |
| 9" | 20 | 36 | 54 | |
| 10" | 28 | 50 | 72 | |
| 12" | 36 | 72 | 108 | |
| 14" | 50 | 98 | 147 | |
| 16" | 64 | 128 | 192 | |
| Sheet | 9×13" | 24 | 36 | 54 |
| 11×15" | 36 | 54 | 77 | |
| 12×18" | 48 | 72 | 108 | |
| Heart | 6" | 6 | 10 | — |
| 8" | 12 | 20 | 28 | |
| 10" | 18 | 30 | 40 | |
| 12" | 28 | 44 | 60 | |
| Petal | 6" | 6 | 10 | — |
| 8" | 12 | 20 | 28 | |
| 10" | 18 | 30 | 40 | |
| 12" | 28 | 44 | 60 | |
| Hexagonal | 6" | 6 | 10 | — |
| 8" | 12 | 20 | 28 | |
| 10" | 18 | 30 | 40 | |
| Oval | 8" | 10 | 16 | — |
| 10" | 16 | 26 | 36 | |
| 12" | 24 | 38 | 52 | |
| 14" | 36 | 56 | 80 |
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