9×9 Square to 8×8 Square Baking Pan: Multiply Recipe by 0.79×
Multiply every recipe ingredient by 0.79× when converting 9×9-inch Square Baking Pan (2" deep) to 8×8-inch Square Baking Pan (2" deep) (10 cups vs. 8 cups capacity). Keep original recipe oven temperature unchanged. Start checking doneness 3–5 minutes before original minimum bake time.
Pan note (0.79×): Multiply all recipe ingredients by 0.79× (surface-area ratio). Start checking doneness 3–5 minutes before original minimum bake time.
Supports fractions (2 1/2 cups, ¾ cup), metric weights (200g), US butter sticks, and packing notes (packed, sifted, scooped).
Converted Mixing-Bowl Checklist (0.79×)
Estimated matched ingredient weight: 714.6 g (1.58 lb)
| ✓ | Ingredient | Scale Weight | Cup / Spoon Measure |
|---|---|---|---|
All-Purpose FlourInput: 2 1/4 cups all-purpose flour • spooned & leveled | 213.3 g (7.52 oz) | 1 ¾ cups + 1 ¼ tsp | |
Unsalted ButterInput: 1 stick unsalted butter • packed into cup / 2 sticks | 89.7 g (3.16 oz) | ⅓ cup + 1 tbsp | |
Light Brown SugarInput: 3/4 cup light brown sugar, packed • firmly packed | 118.5 g (4.18 oz) | ½ cup + 1 tbsp + 1 ½ tsp | |
Granulated White SugarInput: 1/2 cup granulated sugar • poured or spooned & leveled | 79 g (2.79 oz) | ⅓ cup + 1 tbsp | |
2 large eggs | 1.58 × | 1.58 large eggs | |
Pure Vanilla ExtractInput: 2 tsp vanilla extract • Poured liquid | 6.8 g (0.24 oz) | 1 ½ tsp | |
Baking Soda / Sodium BicarbonateInput: 1 tsp baking soda • Dip and sweep | 3.6 g (0.13 oz) | ¾ tsp | |
Diamond Crystal Kosher SaltInput: 1 tsp diamond crystal kosher salt • Pour and level | 2.2 g (0.08 oz) | ¾ tsp | |
Semisweet Chocolate ChipsInput: 1 1/2 cups semisweet chocolate chips • Dip and sweep | 201.5 g (7.11 oz) | 1 cup + 3 tbsp |
Original vs. Target Pan Dimensions
| Pan | Dimensions | Surface Area | Rim-Full Capacity |
|---|---|---|---|
| 9×9-inch Square Baking Pan (2" deep) | 9" × 9" × 2" H | 81 sq in | 10 cups |
| 8×8-inch Square Baking Pan (2" deep) | 8" × 8" × 2" H | 64 sq in | 8 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 9×9-inch Square Baking Pan (2" deep) to 8×8-inch Square Baking Pan (2" deep)? ▾
Multiply every recipe ingredient by 0.79× (computed via pan surface area: 64 sq in ÷ 81 sq in).
Do I need to change oven temperature or bake time for 9×9 Square to 8×8 Square Baking 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.