8-Inch Round to 8×8 Square Pan: Multiply Recipe by 1.27×
Multiply every recipe ingredient by 1.27× when converting 8-inch Round Cake Pan (2" deep) to 8×8-inch Square Baking Pan (2" deep) (6 cups vs. 8 cups capacity). Keep original recipe oven temperature unchanged. Start checking doneness 3–5 minutes before original minimum bake time.
Pan note (1.27×): Multiply all recipe ingredients by 1.27× (surface-area ratio). Nearly identical area to a 9-inch round pan (64 sq in vs 63.6 sq in) — 1:1 swap!
Supports fractions (2 1/2 cups, ¾ cup), metric weights (200g), US butter sticks, and packing notes (packed, sifted, scooped).
Converted Mixing-Bowl Checklist (1.27×)
Estimated matched ingredient weight: 1148.8 g (2.53 lb)
| ✓ | Ingredient | Scale Weight | Cup / Spoon Measure |
|---|---|---|---|
All-Purpose FlourInput: 2 1/4 cups all-purpose flour • spooned & leveled | 342.9 g (12.1 oz) | 2 ¾ cups + 1 tbsp + 2 ¼ tsp | |
Unsalted ButterInput: 1 stick unsalted butter • packed into cup / 2 sticks | 144.1 g (5.08 oz) | ½ cup + 2 tbsp + ½ tsp | |
Light Brown SugarInput: 3/4 cup light brown sugar, packed • firmly packed | 190.5 g (6.72 oz) | ¾ cup + 3 tbsp + ¾ tsp | |
Granulated White SugarInput: 1/2 cup granulated sugar • poured or spooned & leveled | 127 g (4.48 oz) | ½ cup + 2 tbsp + ½ tsp | |
2 large eggs | 2.54 × | 2.54 large eggs | |
Pure Vanilla ExtractInput: 2 tsp vanilla extract • Poured liquid | 11 g (0.39 oz) | 2 ½ tsp | |
Baking Soda / Sodium BicarbonateInput: 1 tsp baking soda • Dip and sweep | 5.8 g (0.21 oz) | 1 ¼ tsp | |
Diamond Crystal Kosher SaltInput: 1 tsp diamond crystal kosher salt • Pour and level | 3.6 g (0.13 oz) | 1 ¼ tsp | |
Semisweet Chocolate ChipsInput: 1 1/2 cups semisweet chocolate chips • Dip and sweep | 323.9 g (11.42 oz) | 1 ¾ cups + 2 tbsp + 1 ½ tsp |
Original vs. Target Pan Dimensions
| Pan | Dimensions | Surface Area | Rim-Full Capacity |
|---|---|---|---|
| 8-inch Round Cake Pan (2" deep) | 8" dia × 2" H | 50.27 sq in | 6 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 8-inch Round Cake Pan (2" deep) to 8×8-inch Square Baking Pan (2" deep)? ▾
Multiply every recipe ingredient by 1.27× (computed via pan surface area: 64 sq in ÷ 50.27 sq in).
Do I need to change oven temperature or bake time for 8-Inch Round to 8×8 Square 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.