Kitchen
Cake Pan Size Converter
Scale batter by comparing round or rectangular pan areas.
Cake Pan Size Converter result
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Original pan
New pan
Volume scale factor2.328×Scaled batter amount2.328
This compares idealized pan volume. Keep the recipe's intended fill level; material, corners, batter structure, and changed depth can alter baking time.
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How this tool works
The scale factor compares the surface area of the original and new pan; round pans use πr² and rectangular pans use length × width.
Limits to know
Area scaling preserves batter depth only when the pans have comparable usable depth and shape. Manufacturer dimensions, fill level, recipe structure, and baking time still require judgment.