How many servings is my cake?
It all comes down to slice size
The same cake "serves" wildly different numbers depending on how you cut it. Bakeboost uses four standard slice sizes:
| Slice style | Slice size | Typical use |
|---|---|---|
| Finger / coffee | 1″ × 1″ | Favours, dessert-table nibbles — the most servings |
| Wedding | 1″ × 2″ | The classic slim wedding-cake finger |
| Party | 1.5″ × 2″ | The standard party slice — this is the default |
| Dessert | 2″ × 2″ | A generous plated-dessert portion — the fewest servings |
When someone says a 10″ cake "serves 28", they mean party slices. Cut it into wedding fingers and the same cake serves 38.
Round cake serving chart
Servings for a single round tier at standard height:
| Size | Party (1.5″×2″) | Wedding (1″×2″) | Dessert (2″×2″) | Finger (1″×1″) |
|---|---|---|---|---|
| 6″ | 9 | 14 | 6 | 24 |
| 7″ | 12 | 17 | 8 | 32 |
| 8″ | 20 | 24 | 12 | 48 |
| 9″ | 24 | 32 | 16 | 64 |
| 10″ | 28 | 38 | 19 | 76 |
| 11″ | 30 | 46 | 23 | 92 |
| 12″ | 40 | 56 | 28 | 112 |
| 13″ | 46 | 64 | 32 | 128 |
| 14″ | 56 | 78 | 39 | 156 |
| 15″ | 66 | 88 | 44 | 176 |
| 16″ | 72 | 100 | 50 | 200 |
Square, sheet and shaped cakes
- Square cakes serve more than round of the same nominal size, because there are no
curved edges to waste. Bakeboost counts them by the exact grid that fits — for example a
10″ square in party slices is
floor(10/1.5) × floor(10/2)= 6 × 5 = 30 servings. - Shaped cakes (heart, oval, hexagon, petal and so on) serve fewer than a round of the same width, because they cover less area. Bakeboost estimates these from the round figure — roughly 75% for a heart, 80% for an oval, 87% for a hexagon — and marks the result with a ~ so you know it's an estimate.
Use the built-in calculator
Rather than reading a chart, let Bakeboost do it. Open Servings Guide from the sidebar:
- Add each tier — its size and shape.
- Pick the slice style (party, wedding, dessert or finger).
- Tick tall cake if it's a tall build you'll slice in two — that doubles the count.
- Read off "Serves N" for the whole cake.
You can also reach it while building an order: on a cake line, use Calculate servings to get the number without leaving the order.
Print a cutting guide
From the Servings Guide — or from an order's Cutting Guide button — you can print a customer-facing handout with:
- the serving count for each tier,
- step-by-step cutting instructions, and
- a to-scale cutting diagram,
so whoever cuts the cake on the day gets every slice you promised. It's perfect to hand to a venue or include with a wedding cake.
Good to know
- Slice size decides everything. The same cake serves 28 or 76 depending on how it's cut — always agree the slice style with your customer.
- It's on every plan. The Servings Guide is an Essentials feature, available to all bakers.
- Tiers add up. Enter each tier and the calculator totals them.
- Squares serve more, shapes serve fewer. A ~ means the count is an estimate for a non-round shape or a size outside the chart.
- These are guides, not guarantees. Real yield depends on how carefully the cake is cut — the printed cutting guide helps get it right.
Related questions
- How many people does an 8 inch cake serve?
- An 8-inch round cake serves about 20 party slices (1.5″×2″), 24 slim wedding slices (1″×2″), or 12 generous dessert portions (2″×2″). Cut into 1-inch finger slices it stretches to around 48.
- How many servings is a 10 inch round cake?
- A 10-inch round serves about 28 party slices, 38 wedding slices, or 19 dessert portions. See the full chart above for every size from 6 to 16 inches.
- How many does a 3-tier cake feed?
- Add up the tiers. A classic 6″ + 8″ + 10″ round tower serves roughly 57 party slices (9 + 20 + 28). The Servings Guide calculator totals the tiers for you.
- Do square cakes serve more than round?
- Yes. Square cakes have no curved edges to waste, so a 10-inch square serves about 30 party slices versus 28 for a 10-inch round of the same size.
Last updated August 4, 2026