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What Are the Different Types of Cake Pan Sizes?

Cake pan sizes vary widely, from petite 6-inch rounds perfect for intimate celebrations to expansive 12-inch squares for large gatherings. Each size and shape, be it a classic round, a square, or a whimsical heart, influences baking time and cake height. Discover how choosing the right pan can elevate your baking. What size will inspire your next creation?
G. Wiesen
G. Wiesen

Cake pan sizes are typically based on its shape and a measurement of the inside of the pan, going from one inside edge to the other. Round pans are essentially a measurement of the diameter of the circle made by the pan, and square varieties are simply measured from one side to the other. Rectangular pan measurements can include both sides, since they are different, and styles such as "bundt" and "loaf" often include the depth. The term "sheet " can also be used to refer to certain rectangular cake pan sizes, often as "quarter," "half," and "full."

One of the simplest ways in which cake pan sizes can be demonstrated or shown is through a direct measurement of them. For example, some pans might be described as 8 inch (about 20 centimeters) rounds or 9inch (almost 23 centimeters) rounds, indicating their size and shape. In this description, the measurement is taken across the middle of the round, from the inner edge of one side to the inner edge of the other. Similarly, a 10 inch (over 25 centimeters) square would describe cake pan sizes that are square in shape.

Cakes in shallower pans will bake faster.
Cakes in shallower pans will bake faster.

Other cake pan sizes indicate both the length and width of the pan, as well as the depth of it. This is common for types of pans that are fairly deep, such as loaf or bundt pans. The importance of depth for cake pan sizes stems from the speed with which heat from an oven is able to reach the middle of the batter. Baking in a loaf pan that is 4 inches (just over 10 centimeters) by 8 inches (about 20 centimeters) with a depth of 6 inches (over 15 centimeters) is going to be quite different from baking in one the same length and width, with a depth of only 3 inches (over 7 centimeters). The cake in the shallower pan will bake faster.

Cake pan sizes can also be measured in terms of "sheet" size, which refers to a specific type of shallow pan used for baking. A full sheet cake, and the pan used to bake it, is 18 inches (almost 46 centimeters) by 26 inches (about 66 centimeters) in size. This is commonly used in commercial baking, where a large cake of this size, consisting of two or three layers, can easily feed several dozen people.

A half-sheet pan is half this size, at 13 inches (about 33 centimeters) by 18 inches (over 45 centimeters). These are also quite common in bakeries, though they are small enough to fit into many home ovens. Cake pan sizes also include the quarter-sheet pan, which is about 9 inches (over 22 centimeters) by 13 inches (just over 33 centimeters).

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Discussion Comments


@Scrbblchick -- And I'll add that nothing should be baked in your good cake pans *but* cake or brownies. I threatened my husband with bodily harm if he made toast or pork chops or the like in my good pans! A good cake pan is worth a higher price!

Even if you have nonstick round pans, go ahead and line the bottoms with parchment paper and then butter the paper. It's a 10-cent insurance policy that will absolutely keep your layers from sticking. I never make a layer cake without doing this, and I've never had it not work. The layers come out beautifully every time.


I'd say every home cook who plans on doing much baking needs two 9-inch round pans, an 8-by-8 square pan, a 7-by-9 rectangle pan and a 9-by-13 rectangle pan, along with at least one tube pan. A bundt pan is nice, but not essential. These basic pans will get most cooks through nearly any cooking task.

I'd also recommend all these pans be nonstick. I still grease and flour pans just for safety, but a nonstick interior really helps the cook be a little more certain nothing is going to stick.

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    • Cakes in shallower pans will bake faster.
      By: Berna Şafoğlu
      Cakes in shallower pans will bake faster.