9 Inch Round to Square Pan: Which Size Matches?
To bake a 9-inch round cake recipe in an 8-inch square pan, use your recipe as it is.
The answer
×1.01
Use your recipe as it is.
One 9-inch round holds about 8.8 cups to the brim and one 8-inch square about 8.9 cups, so the new pan takes 101% as much batter to fill it just as full.
Baking it in an 8-inch square pan
- Keep the same temperature.
- Faster than your recipe says: start checking 5–10 minutes early. A typical butter cake in this pan bakes about 30–35 minutes.
Using the recipe as it is
The batter sits at about the same depth as in your recipe's pan.
Try your own pans
Set to this swap. Change the size, the depth or how many pans, or switch to cm.
Have one pan, want another
Common sizes
Measure inside the top edge. Left blank, the depth is 2 in.
Common sizes
Measure inside the top edge. Left blank, the depth is 2 in.
Times 1.01. Use your recipe as it is.
Your recipe
×1.01
Use your recipe as it is.
From one 9-inch round to one 8-inch square. Scaled this way, it fills the new pan just as full.
Baking it in the new pan
- Keep the same temperature.
- Faster than your recipe says: start checking 5–10 minutes early. A typical butter cake in this pan bakes about 30–35 minutes.
Or pour the recipe in as it is
The batter sits at about the same depth as in your recipe's pan.
Your recipe also fits these, as it is:
- 8-inch square
- 6-cup bundt
- 9 x 5 inch loaf
- 2 × 6-inch rounds
- 12 standard cupcakes
Questions bakers ask
How do I convert a 9-inch round cake recipe to an 8-inch square pan?
To bake a 9-inch round cake recipe in an 8-inch square pan, use your recipe as it is. One 9-inch round holds about 8.8 cups to the brim and one 8-inch square about 8.9 cups, so the new pan takes 101% as much batter to fill it just as full.
What temperature and time for an 8-inch square pan?
Keep the same temperature. Faster than your recipe says: start checking 5–10 minutes early. A typical butter cake in this pan bakes about 30–35 minutes.
Can I use a 9-inch round cake recipe as it is in an 8-inch square pan?
The batter sits at about the same depth as in your recipe's pan.
What other pans take a 9-inch round cake recipe without changes?
8-inch square, 6-cup bundt, 9 x 5 inch loaf, 2 × 6-inch rounds, 12 standard cupcakes. Each holds within about 12% of the same batter, so the cake comes out just a little thinner or taller.
More pan conversions
- 9x13 to Round Cake Pans (Two 9-Inch Rounds)
- 9x13 to Two 8-Inch Round Cake Pans
- 8 Inch to 9 Inch Cake Pan Conversion
- 9 Inch to 8 Inch Cake Pan Conversion
- 6 Inch to 8 Inch Cake Pan Conversion
- 8 Inch to 6 Inch Cake Pan Conversion
Selling it?
A different pan changes what the cake costs you
×1.01 the batter is ×1.01 the ingredient cost. Price the new size from what it really costs to make.