9-Inch Round to 10-Inch Round Cake Pan: Multiply Recipe by 1.23×

Multiply every recipe ingredient by 1.23× when converting 9-inch Round Cake Pan (2" deep) to 10-inch Round Cake Pan (2" deep) (8 cups vs. 11 cups capacity). Keep original recipe oven temperature unchanged. Start checking doneness 3–5 minutes before original minimum bake time.

Reverse (10-Inch Round to 9-Inch Round Cake Pan) →

Sample Recipes:

Original Recipe Pan

Your Target Baking Pan

From Pan

9-inch Round Cake Pan (2" deep)

63.62 sq in • 8 cups

Scale Ratio

Target Pan

10-inch Round Cake Pan (2" deep)

78.54 sq in • 11 cups

Pan note (1.23×): Multiply all recipe ingredients by 1.23× (surface-area ratio). Lower oven temperature by 15–25°F (10°C) for large 10-inch layers so edges stay tender.

Paste Ingredient Lines (one per line)

Supports fractions (2 1/2 cups, ¾ cup), metric weights (200g), US butter sticks, and packing notes (packed, sifted, scooped).

Converted Mixing-Bowl Checklist (1.23×)

Estimated matched ingredient weight: 1112.6 g (2.45 lb)

Scaled recipe ingredient checklist with gram weights and kitchen cup and spoon measures
Ingredient	Scale Weight	Cup / Spoon Measure
All-Purpose FlourInput: 2 1/4 cups all-purpose flour • spooned & leveled	332.1 g (11.71 oz)	2 ¾ cups + ¾ tsp
Unsalted ButterInput: 1 stick unsalted butter • packed into cup / 2 sticks	139.6 g (4.92 oz)	½ cup + 1 tbsp + 2 ½ tsp
Light Brown SugarInput: 3/4 cup light brown sugar, packed • firmly packed	184.5 g (6.51 oz)	¾ cup + 2 tbsp + 2 ¼ tsp
Granulated White SugarInput: 1/2 cup granulated sugar • poured or spooned & leveled	123 g (4.34 oz)	½ cup + 1 tbsp + 2 ½ tsp
2 large eggs	2.46 ×	2.46 large eggs
Pure Vanilla ExtractInput: 2 tsp vanilla extract • Poured liquid	10.7 g (0.38 oz)	2 ½ tsp
Baking Soda / Sodium BicarbonateInput: 1 tsp baking soda • Dip and sweep	5.6 g (0.2 oz)	1 ¼ tsp
Diamond Crystal Kosher SaltInput: 1 tsp diamond crystal kosher salt • Pour and level	3.5 g (0.12 oz)	1 ¼ tsp
Semisweet Chocolate ChipsInput: 1 1/2 cups semisweet chocolate chips • Dip and sweep	313.7 g (11.06 oz)	1 ¾ cups + 1 tbsp + 1 ½ tsp

Original vs. Target Pan Dimensions

Original vs. target baking pan dimensions, surface area (sq in), and rim-full cup capacity for 9-Inch Round to 10-Inch Round Cake Pan
Pan	Dimensions	Surface Area	Rim-Full Capacity
9-inch Round Cake Pan (2" deep)	9" dia × 2" H	63.62 sq in	8 cups
10-inch Round Cake Pan (2" deep)	10" dia × 2" H	78.54 sq in	11 cups

Batter depth rule: Fill cake, brownie, and quick-bread pans between ½ and ⅔ full so batter rises evenly without doming. For dark nonstick or glass bakeware, reduce oven temperature by 25°F (15°C).

Frequently Asked Questions

What is the exact multiplier to convert 9-inch Round Cake Pan (2" deep) to 10-inch Round Cake Pan (2" deep)? ▾

Multiply every recipe ingredient by 1.23× (computed via pan surface area: 78.54 sq in ÷ 63.62 sq in).

Do I need to change oven temperature or bake time for 9-Inch Round to 10-Inch Round Cake Pan? ▾

Keep original recipe oven temperature unchanged. Start checking doneness 3–5 minutes before original minimum bake time. Always fill cake and quick-bread pans between ½ and ⅔ full so batter rises evenly without overflowing.