How to Choose the Right Cake Size for Your Event

Planning a celebration and not sure what cake size you need? Whether you're hosting a cozy gathering or a big party, here’s a quick guide to help you choose the perfect size cake—so everyone gets a slice and you’re not left with too much (or too little!).

Start with Your Guest Count

Here’s what to consider:

• Will cake be the only dessert, or one of many?

• Do you want leftovers for guests or the next day?

• Are you going for a grand centerpiece or something simple?

Once you’ve got your guest count, you can match it to the right size cake or tiered option.

Single Tier Cake Size Guide

Perfect for birthdays, intimate gatherings, and when you want something beautiful but simple.

Cake Size	Servings
5” round	6–8
6” round	8–10
7” round	12–15
8” round	15–20
9” round	20–25
10” round	25–30
12” round	35–40

Two Tier Cake Options

Great for showers, milestone birthdays, and celebrations with a little more flair.

Tier Combo	Servings
5” & 7”	20
6” & 8”	30–35
6” & 9”	40–45
7” & 10”	50

Two Tiered Cake with Wafer paper flowers

Three Tier Cake Options

Perfect for weddings, big celebrations, and when you want to make a statement.

Tier Combo	Servings
5”, 7” & 9”	50–60
6”, 8” & 10”	75–85
6”, 9” & 12”	75–85

Wedding Cake Servings (Smaller Cuts = More Servings!)

Wedding cake slices are typically cut smaller (about 2"x1"), which means you get more servings from the same cake size. Here’s a guide based on our most popular combinations:

Wedding Cake Size	Servings
Cutting Cake – 6” round	8–12
2 Tier – 5” & 7” round	20
2 Tier – 5” & 8” round	25
2 Tier – 6” & 8” round	30–35
2 Tier – 6” & 9” round	40–45
3 Tier – 5”, 7” & 9” round	50–60
3 Tier – 6”, 8” & 10” round	75–85
3 Tier – 6”, 9” & 12” round	100–110
4 Tier – 6”, 8”, 10”, 12”	125–135

Sheet cakes are also available as kitchen cakes for extra servings behind the scenes, especially popular for weddings and large-scale events.

Planning a Dessert Table?

If you’re serving mini desserts like cookies, bars, or cupcakes along with your cake, we recommend planning for 3–4 pieces per guest.Our desserts are mini, 1–2 bites each—perfect for grazing and creating a beautiful spread with variety.

📝 A Few Helpful Tips:

• When in doubt, round up your servings—extra cake never hurts.

• Tiered cakes create height and visual impact, even for smaller events.

• If you're serving both cake and mini desserts, you can scale the cake size down a bit.

• For fully custom cakes, please order at least 2 weeks in advance.

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💌 Need Help Choosing?

We’re here for you! Send us your guest count, event details, and inspiration photos—we’ll help you select the perfect size and style. Fill out the form in Contact Us or email us at cakes@simplysweetcakery.com