Below is a guideline for the size of cakes to choose from, in order to cater for the amount of guests attending the function. These portion sizes are based on approximate coffee size (or finger) servings.
| 5 inch | 15 |
| 6 inch | 20 |
| 7 inch | 30 |
| 8 inch | 40 |
| 9 inch | 50 |
| 10 inch | 70 |
| 11 inch | 80 |
| 12 inch | 100 |
| 14 inch | 120 |
| 5 inch | 20 |
| 6 inch | 30 |
| 7 inch | 40 |
| 8 inch | 50 |
| 9 inch | 60 |
| 10 inch | 80 |
| 11 inch | 100 |
| 12 inch | 120 |
| 14 inch | 150 |