Half Sheet Cake Size

Half Sheet Cake Size

half sheet cake size

Sheet cakes are among the greatest kinds of cake to create a bunch because they don’t demand very much layering or structural assistance and they are easy to transport. Additionally, a piece of sheet cake lends itself nicely to proficient piping work or other edible decorations. That having been said, it can be complicated to ascertain which size sheet cake is ideal for your occasion. To find out about sheet cake dimensions and the way to figure out the number of portions per sheet cake, then read on.

The Difference Between Full, Half, and Quarter Sheet Cake Sizes

Many bakers consider orders concerning full half, and quarter sheet cake pans, which could actually indicate a small number of distinct dimensions. Consequently, it is ideal to explore the number of portions and the dimensions of each serving rather. From that point, it is possible to decide that size pan will probably work well for your program.

how big is a half sheet cake

Buy Pans with Cohesive Sizing

Because size conversions may get confusing, 1 way you can simplify matters would be to select pans that have lengths or widths which are divisible by every other. For Instance, If your”complete” sheet pan is 18″ x 24″, then you should find a half-size pan that is 12″ x 18″ plus a quarter pan that is 9″ x 12″ because those amounts split evenly into every In case you’ve ever been into a bakery, then you probably know what a half sheet cake size would be and
have likely had one in a party before.

As they’re very popular for celebrating special events, they are sometimes beautifully decorated with custom text added to them. Bakeries and grocery stores typically sell half sheet cakes for specific orders. Some areas will also have pre-made cakes prepared to buy you could add text into. Before you purchase a half sheet cake, then you need to know what size it’s so you can be certain that you have sufficient cake.

What size is a Half Sheet Cake?

A half sheet cake is a big rectangular cake that’s often served for big parties of people.  It may be one or double layers of cake.  A dual-layer cake is an excellent way to get out more portions of your cake. You’ll most commonly see half baked cakes in yellow, white, chocolate, or marble flavors.  They are most frequently decorated with delicious buttercream frosting.  But some bakeries provide more flavors of cake and frosting to pick from.

size of a half sheet cake

Benefits of a Half Sheet Cake

Though around cakes may be great for smaller parties, half baked cakes tend to be a better option for whenever you’ve got a bigger group of individuals.  Having a half sheet cake, it’s far simpler to cut equivalent pieces of cakes thanks to the big rectangular dimensions.  The pieces are also neater and easier to serve.

How Big is a Half Sheet Cake Size?

A half sheet cake size may change based on where you purchase it from.  When you receive a half sheet cake in the bakery, it’s usually either 15 inches by 11 inches, 15 1/2 inches by 10 1/2 inches, or even as large as 16 inches by 12 inches.  Since house ovens are smaller compared to bakery or supermarket ovens, a house half sheet cake will probably measure 13 inches by 9 inches.  Based on how you slice it, a half sheet cake will probably function between 18 to 40 individuals.  A dual-layer half sheet cake will make it possible for you to acquire bigger bits, therefore it’s a fantastic alternative if you’re serving a larger volume of people.

what size is a half sheet cake

what size is a full sheet cake

Along with half an hour, sheet cakes also arrive in quarters and full sizes.  Most homemade sheet cake recipes are quarter sheet cakes because complete sheet cakes typically do not match in most home ovens.  A complete sheet cake is great for large parties of people, such as corporate events and huge parties.   A complete sheet cake will normally function 64 to 96 individuals.  Quarter sheets cakes are fantastic for smaller parties, such as birthday parties and barbecues.  A quarter sheet cake generally measures 13 inches by 9 inches.  It is going to usually function 16 to 24 individuals.

what size is a full sheet cake

Sheet Cake Servings Formula

Number of Servings = Pan Area ÷ Cake Serving Size Area

Pan Area = Pan Length x Pan Width

Cake Serving Size Area = Piece of Cake Length x Piece of Cake Width

Example Calculation

You have an 18″ x 26″ pan. To find the pan area, multiply the pan length by the pan width.

  • 18″ x 26″ pan = 468″2pan area

You’re serving cake slices that measure 2″ x 2″. To find the cake serving size area, multiply the length and width of the cake slice.

  • 2″ x 2″ slice = 4″2cake serving size area

Now you know that you have a 468″2 pan area and a 4″2 serving size area. To find the number of servings, divide the pan area by the serving size area.

468″2 ÷ 4″2 = 117 servings

half sheet cake size

Size of a half sheet cake. Sheet Cake Size Guide

Sheet cake pan sizes may vary by manufacturer. We listed some common full, half, and quarter sizes as well as how many customers you can feed with each type of pan.

Full Sheet Cake Servings

  • 18” x 26” x 2”
    • Serving Size 2″ x 2″:117 Servings
    • Serving Size 2″ x 3″:78 Servings
  • 18” x 24” x 2”
    • Serving Size 2″ x 2″:108 Servings
    • Serving Size 2″ x 3″:72 Servings
  • 16” x 24” x 3”
    • Serving Size 2″ x 2″:96 Servings
    • Serving Size 2″ x 3″:64 Servings

Half Sheet Cake Servings

  • 18” x 13” x 1”
    • Serving Size 2″ x 2″:58 Servings
    • Serving Size 2″ x 3″:39 Servings
  • 12” x 18” x 2”
    • Serving Size 2″ x 2″:54 Servings
    • Serving Size 2″ x 3″:36 Servings
  • 12” x 16” x 3”
    • Serving Size 2″ x 2″:48 Servings
    • Serving Size 2″ x 3″:32 Servings

Quarter Sheet Cake Servings

  • 13” x 9.5” x 1”
    • Serving Size 2″ x 2″:30 Servings
    • Serving Size 2″ x 3″:20 Servings
  • 13” x 9” x 2”
    • Serving Size 2″ x 2″:29 Servings
    • Serving Size 2″ x 3″:19 Servings
  • 13” x 8” x 3”
    • Serving Size 2″ x 2″:24 Servings
    • Serving Size 2″ x 3″:16 Servings

Watch the video How to Frost a Half Sheet Cake

Making Your Own Half Sheet Cakes

If you would like to save a trip to the supermarket or bakery, you can create your own half baked cakes in your home.  You may either use sheet cake recipes, that call for a 13-inch from 9-inch pan, or use curry mixture.  Should you use a boxed cake mix to produce a half sheet cake, then you may want three boxes of cake mixture.  For the two-layer cake, then you will want six boxes of cake mix plus 2 13-inch from 9-inch pans.  It’s almost always best to cook coating cakes in precisely the exact same time so that they get a much bake.


Buttercream is normally the most typical frosting to use because it tastes good and is easy to use.  If you’re frosting your half sheet cake, then you will probably require half cups of frosting for one layer and 8-10 cups to get a double layer cake.  For incorporating words, it’s usually advised to use a #2 Task tip.  This will produce tasteful decoration, with no words appearing bulky.  A 21 piping suggestion is suggested for frosting boundaries and also a #127, 122, and 349 noodle hints are excellent for making blossoms.


If you do not feel confident in your piping abilities, cake stencils are a fantastic option for producing elegant designs.  Cake stencils may be user friendly and you are able to create many different amazing designs together.  They may also be reused that’s great also.

How to:Cake Deorating a Fruit Filled Half sheet Cake

How to Store a Half Sheet Cake

Because a half sheet cake size is much large, it’s not always simple to shop.  If you’re wishing to keep your cake entire, then you may want to put money into a massive cake box.  They’re easy to transport and may even be reused if desired.  For keeping leftover cake, it’s ideal to keep it in an airtight container at room temperature for up to five days.


You could even store leftover cake covered in the fridge for up to a week.  Additionally, you may even suspend up your cake to three weeks, closely covered in plastic wrap.   Should you use cream cheese frosting, you need to keep it in the refrigerator whenever you’re not functioning it.  Cake with cream cheese frosting can continue in the refrigerator for up to 3 days. You can also keep it in the freezer for up to one month

Choosing the Right Sheet Cake Pan for Your Needs

While sheet cake pans are available in a variety of materials and styles, the most important thing to consider while shopping is the size. Sheet pans are measured Length x Width x Height, with the height or depth generally ranging between 1 and 4 inches.

Select Your Pan Depth Based on Your Cake Layers

The thickness of this pan is critical to notice whether you are handling one coating or double-layered cake.  If you’d like a single layer cake, then use a towel that is deeper.  If you would like many layers, you’ve got two choices: use two strands to bake two cakes that are thinner, or utilize just one deep pan to make a tall cake which you may cut into layers when it stinks.


You might even utilize a sheet pan extender to improve the height of your cake.  Sheet pan extenders help to block your batter out of overbaking while concurrently producing perfectly straight borders.   Therefore, whether you are filing a regular sheet cake arrangement or stocking the bakery’s equipment for the very first time, then we could help you discover the right sized pan for your job.

The Perfect Party Cake

If You are having a get together with anywhere from 18 to 40 individuals, a half sheet
cake is a perfect size. Measuring approximately 15 inches by 11 inches, this
dimension cake is ideal for birthday parties, graduations, and baby showers. Thanks


To its large, rectangular size, a half sheet cake is fantastic for adding
decorations and text that is searchable. Though many bakeries and grocery stores
sell half sheet cakes, you can also make your own from home. However,
half sheet cakes you purchase at a shop or bakery will likely be bigger than the
ones that you make at home. Please comment if you have any queries or remarks regarding half sheet cake size!

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