How Deep Is a 9×13 Cake Pan? | The Standard and What Varies

Knowing the exact depth of your 9×13 pan matters because it determines how much batter the pan can hold and how long the cake needs to bake. A pan that is shallower or deeper than the standard 2 inches changes the math. Here is what you need to know to measure your own pan and adjust recipes accordingly.

The Standard 2-Inch Depth and Why It Matters

This interior measurement is taken from the bottom to the rim, excluding any lip or rolled edge.

Recognizing the standard lets you compensate either way.

Common Depths From Major Manufacturers

Not all pans are made equal. Here is how the most popular brands measure up, based on their published specs:

As the table shows, depth varies by at least an inch across common pans.

How to Measure Your Pan’s Actual Depth

Manufacturer specs are helpful, but the most reliable approach is to measure your own pan. Here is the method: use a ruler and measure vertically from the inside bottom to the top edge of the pan — not including the lip or rim. Do this at the center of the long side, because some pans are slightly tapered and the center measurement is the most accurate for capacity. If you want to measure capacity directly, pour water from a measuring cup into the dry pan until it reaches the rim. The total water volume in cups is the pan’s maximum capacity. For practical baking, never fill beyond 80% of that volume — for a pan that holds 15 cups, use no more than 12 cups of batter.

How Depth Affects Bake Time and Results

Depth changes the geometry of heat transfer.

For more on picking the right pan for your recipe, browse our tested roundup of the best 9×13 cake pans, where we compare depth, material, and durability across top brands.