Tell us how many people you're feeding — we'll tell you what size cake (or tier combination) you actually need. Round or square, party or wedding portions.
Standard round buttercream celebration cakes, 4" tall. Wedding portions assume 1" × 1" finger slices. Party portions assume 2" × 1" slices.
| Round cake size | Party portions | Wedding portions | Square equivalent (party) |
|---|---|---|---|
| 6" | 10–12 | 15–20 | 12–15 |
| 7" | 14–16 | 22–28 | 18–20 |
| 8" | 20–24 | 32–40 | 25–30 |
| 9" | 25–30 | 40–48 | 32–38 |
| 10" | 32–38 | 50–60 | 40–48 |
| 12" | 50–60 | 85–100 | 62–75 |
| 14" | 70–85 | 115–140 | 88–105 |
An 8" round cake feeds around 20–24 party portions or 32–40 wedding portions. Square version: about 25% more.
For 50 party portions, a 10" round or a two-tier 6"+8" works well. For 50 wedding portions, a single 8" round is enough.
Party portions: three-tier 6"+8"+10", or a 12" round + 8" round. Wedding portions: two-tier 8"+10".
A wedding portion is a small finger slice, roughly 1" × 1" × the cake's height. A party portion is about twice that (2" × 1"). Same cake yields roughly double the wedding portions vs party portions.
Yes — a square cake gives about 25% more portions than a round of the same width, because there's no waste at the corners.
Yes — most bakers recommend ordering for 110% of your guest count to cover second slices, kids grabbing extras, and boxes for guests to take home.
QuoteBake works out both — with your own recipes and margin. Five free quotes, no card.
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