Round to Square Cake Pan Conversion (8 Inch)
To bake an 8-inch round cake recipe in an 8-inch square pan, make about 1¼ times your recipe.
The answer
×1.27
Make about 1¼ times your recipe.
One 8-inch round holds about 7 cups to the brim and one 8-inch square about 8.9 cups, so the new pan takes 127% as much batter to fill it just as full.
Scale my ingredients ×1.27Baking it in an 8-inch square pan
- Keep the same temperature.
- About the same time.
Using the recipe as it is
It fills this pan only 79% as full as your recipe's pan, so the cake comes out shorter. The batter sits 21% thinner, so it bakes faster: start checking 5–10 minutes early.
Your ingredients at ×1.27
What common amounts in an 8-inch round cake recipe become in an 8-inch square pan. Weighing is the most accurate way to scale.
| In the recipe | Use |
|---|---|
| 1 cup (flour, sugar, milk) | 1¼ cups |
| 2 cups | 2½ cups + 1 tbsp |
| 250 g of any weighed ingredient | 318 g |
| 1 stick of butter (113 g, ½ cup) | 144 g |
| 3 large eggs (about 150 g out of the shell) | 191 g beaten egg (about 4 eggs) |
| 1 tsp (baking powder, baking soda, salt, vanilla) | 1¼ tsp |
| 1 tbsp | 1 tbsp + ⅞ tsp |
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 1.27. Make about 1¼ times your recipe.
Your recipe
×1.27
Make about 1¼ times your recipe.
From one 8-inch round to one 8-inch square. Scaled this way, it fills the new pan just as full.
Odd number of eggs? Beat them and weigh: one large egg is about 50 g (1¾ oz).
Baking it in the new pan
- Keep the same temperature.
- About the same time.
Or pour the recipe in as it is
It fills this pan only 79% as full as your recipe's pan, so the cake comes out shorter. The batter sits 21% thinner, so it bakes faster: start checking 5–10 minutes early.
Your recipe also fits these, as it is:
- 8½ x 4½ inch loaf
- 9 standard cupcakes
Questions bakers ask
How do I convert an 8-inch round cake recipe to an 8-inch square pan?
To bake an 8-inch round cake recipe in an 8-inch square pan, make about 1¼ times your recipe. One 8-inch round holds about 7 cups to the brim and one 8-inch square about 8.9 cups, so the new pan takes 127% as much batter to fill it just as full.
What temperature and time for an 8-inch square pan?
Keep the same temperature. About the same time.
Can I use an 8-inch round cake recipe as it is in an 8-inch square pan?
It fills this pan only 79% as full as your recipe's pan, so the cake comes out shorter. The batter sits 21% thinner, so it bakes faster: start checking 5–10 minutes early.
What other pans take an 8-inch round cake recipe without changes?
8½ x 4½ inch loaf, 9 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
×1.27 the batter is ×1.27 the ingredient cost. Price the new size from what it really costs to make.