Baking Pan Converter

Compare round, square, or rectangular pans and scale batter for similar fill depth.

Original shape

Original width/diameter

Original length (rectangle)

Unit

New shape

New width/diameter

New length (rectangle)

—Original pan area

—New pan area

—Recipe scale factor

—More/less batter

Area-based scaling assumes similar pan depth and desired batter depth. For different depths or unusual pan shapes, compare usable volume instead.

How to use this Baking Pan Converter

Compare baking-pan surface areas and estimate a recipe scaling factor. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.