How Many Cake Mixes Do You Need for a Half Sheet Cake?

How Many Cake Mixes Do You Need for a Half Sheet Cake?

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I’m not averse to cake mixes; they’re so convenient! Yet, determining how many to purchase might be difficult. It boils down to the height of your cake pan. Although a one-inch-thick half-sheet pan may hold one or two cake mixes, a thicker pan would need more.

Hello, cake decorators! My name is Shea, and I’ve been making cakes for 10 years. Nothing beats a tasty, moist, and crumbly cake. I’ve used a lot of cake mixes in my time, so I know how much to purchase. Warning: always purchase more than you need.

Don’t worry if you’re trapped in the cake baking aisle wondering how many cake mixes to purchase for your half sheet cake! I’m here to assist you. You can find out how many cake mixes you need for a half sheet cake and other valuable information below.

Let’s chat about cakes!

How Many Cake Mixes for a Half Sheet Cake?

There is no right or incorrect solution to this. It all depends on the size of your cake pan and the kind of cake mix you choose. Let me to elaborate.

If you have a half sheet cake pan (1318) that is just an inch deep, you will need less cake mix than if you have a cake pan that is two, three, or four inches deep (or even deeper, wow!).

It is also dependent on the kind of cake mix used. Some may provide enough mix to fill a 913 cake, while others may give more or less. As a result, always double-check the label. Then you can figure out how much you’ll need.

The fundamental answer is one to four cake mixes. This should be able to properly handle practically any half sheet cake pan. But, I usually recommend purchasing more than you need. You don’t want to use too little cake mix.

Bought Too Little

So you came home only to discover that you ignored my advise and purchased too little cake mix for your half sheet cake. Don’t worry, it’s not the end. Always have a cake extender mix on ready for situations like these.

Just combine 1 cup flour, 1 cup sugar, two teaspoons baking powder, and baking soda to create a cake extender. Put it in an airtight container, such a mason jar. When you need to lengthen your cake, just add six teaspoons of the ingredients and proceed as normal.

When using the extender, you may need to add a little additional milk or water. Everything is dependent on how dry your batter is.

Bought Too Much

Don’t worry if you purchased too much. In fact, be ecstatic! There are so many that you may make them with leftover cake mix.

  • Put it in the freezer. You may just throw it in an airtight container or plastic bag and set it in the freezer if you want. So, the next time you have a craving for cake, you’ll have some cake mix ready to go.
  • Make some waffles. Who said breakfast had to always be healthy? Cake waffles are not only tasty, but they are also an excellent method to ensure that your children finish their breakfast. Keep it for a special brunch on a holiday like Thanksgiving or Christmas!
  • Make yourself a milkshake. Milkshake made with cake batter? Please, yes! This decadent dish is ideal for satisfying a sweet taste. To create a delightful pink strawberry cake milkshake, combine it with whatever you like, such as strawberries and strawberry milk.
  • Cupcakes in miniature! Tiny cupcakes are among my favorite treats, and they freeze wonderfully. Prepare a batch and save one in the freezer for a special surprise in your lunchbox.

Try any of these delectable leftover cake mix recipes!


So it’s really straightforward. To determine how many you need, consider the cake mix you’re purchasing as well as the height of your half sheet cake pan. But if you still have questions, let’s go over these commonly asked questions to get a solution!

How many cake mixes do I need for a 12×18 pan?

It all boils down to the sort of cake mix you choose and the depth of your pan. Three cake mixes, on the other hand, will usually enough. Always purchase more than you need. Any leftovers may always be frozen or repurposed.

Can you bake a cake in a half sheet pan?

You can, but it will be rather thin. You may always have a thin tiny cake or make many and stack them. But, for the greatest results, I suggest using an actual half-sheet cake pan.

Can you put 2 cake mixes in a 9×13 pan?

It’s doubtful that you’ll need two cake mixes for a 913 pan, but it’s worth a shot. As long as the batter does not completely fill the pan, you will not have a major mess or issue on your hands.

Does one box of cake mix make two cakes?

If you use little pans, such as six or seven inches, a single box of cake mix should be enough to produce two cakes. I’d have two boxes of cake mix on hand, just in case you need a little extra.

Final Words

If you want to make a half-sheet cake, you’ll need at least two boxes of cake mix. But, depending on the depth of your pan, you may need up to four boxes. Nevertheless, follow the directions on the cake mix and determine how many you’ll need to fill your pan.

Have you ever attempted to make a half sheet cake using cake mix boxes? How many boxes did you use in total? We’d love to hear from you, so please leave a remark!


How much batter do you need for a half sheet cake?

I multiply the area of the pan by 0.3 to estimate the approximate quantity of batter required for shallow, rectangular pans such as conventional half-sheet pans, quarter-sheet pans, and so on.

How many boxes of cake mix for 18×12 pan?

An 18×12-inch baking pan is about twice the size of a standard 13×9-inch baking pan that holds one box of cake mix, but the depth of your pan must also be considered. Check out our helpful wedding cake information to get all the information you need. Please be patient as the pdf downloads slowly.

How much cake does a 1 2 sheet feed?

Is your pan smaller than mine? Don’t worry, we done the math for you. A half-sheet pan yields 58 servings and a quarter-sheet pan yields 30 servings.

How many boxes of cake makes a sheet cake?

The batter for a whole sheet cake weights 8 pounds. A typical supermarket box cake weights 15.25 oz. Throw in the eggs, water, and oil, and you’ve got around 2 pounds. Therefore you’d need four boxes, plus a little more for trash since most people don’t scrape the bowl properly and waste product as a result.

What size cake board for 12×18 cake?

This 19×14 cake box can accommodate a 12×18 sheet cake or 48 regular cupcakes.

How many boxes of cake mix do I need for a 12×16 pan?

A: A cake prepared in this pan will need two cake boxes. Helpful?

How long does it take to bake a 12x18x2 cake?

To ice and decorate a two-layer cake, this pan will need 14 cups of batter and around 10 cups of icing. Preheat the oven to 325°F and bake for 45-50 minutes.

Is 1 4 sheet cake enough for 25 people?

The 4 (Quarter) Sheet Cake serves about 25 people and is rectangular in form. It comes with your choice of delicious cake flavor, accent color, customized message, and simple adornment. This easy and pleasant, 1

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