8 Inch to 10 Inch Cake Pan Converter
Area-based volume scaling for round, square, loaf, Bundt, and 9x13 sheet pans.
Pan Geometry & Oven Science Guide
An 8-inch round pan has an area of 50.27 sq inches, while a 10-inch round pan has an area of 78.54 sq inches. A 10-inch pan is 56.2% larger than an 8-inch pan.
To scale an 8-inch cake recipe up for a 10-inch wedding or party layer, multiply all ingredients by 1.55x. A 10-inch pan requires 10 to 11 cups of batter to fill.
Standard Cake Pan Surface Area & Volume Guide
Surface area dictates batter depth, while volume dictates maximum safe capacity.
| Pan Name & Dimensions | Surface Area | Batter Capacity | Ratio vs 8" Round |
|---|---|---|---|
| 6-inch Round (2" deep) | 28 sq in | 4 cups | 0.56x |
| 8-inch Round (2" deep) | 50 sq in | 6 cups | 1.00x (baseline) |
| 9-inch Round (2" deep) | 64 sq in | 8 cups | 1.27x |
| 10-inch Round (2" deep) | 79 sq in | 10-11 cups | 1.57x |
| 8x8-inch Square (2" deep) | 64 sq in | 8 cups | 1.27x (matches 9" round) |
| 9x9-inch Square (2" deep) | 81 sq in | 10 cups | 1.61x |
| 9x13-inch Rectangle | 117 sq in | 14-15 cups | 2.33x (matches two 9" rounds) |
| 8.5x4.5-inch Loaf Pan | 38 sq in | 6 cups | 0.76x |
| 9x5-inch Loaf Pan | 45 sq in | 8 cups | 0.90x |
| 10-inch Bundt Pan | 78 sq in | 12 cups | 1.55x |
| 9-inch Springform Pan | 64 sq in | 10 cups (3" deep) | 1.27x |
Pan Substitution Rules & Baking Physics
Scaling Factor
Multiply all ingredients by 1.55x (increase recipe by 55%).
Area Increase
50.3 sq in (8") vs 78.5 sq in (10") — a 56% increase.
Even Baking Tip
Use a flower heating core or metal nail in the center of 10-inch pans for even heat transmission.
Frequently Asked Questions
How do I scale an 8-inch cake recipe to a 10-inch pan?
How much more batter does a 10-inch pan hold than an 8-inch pan?
Do 10-inch cake pans bake differently?
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