EatWell Baking Guide

Baking Reference — Vol. 01

02 Pan Chart

Cake pan size chart

Use footprint area as the first check when moving batter between pans with similar depth. Capacity and recipe structure still matter, especially for deep or shaped pans.

01 Common Swaps

Fast reference conversions

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8 inch to 9 inch A 9-inch round pan is about 27% larger by footprint. Round to round 9 x 13 to round pans One sheet cake recipe is closer to two round layers than one. Rectangle to round Fill level check Half to two-thirds full is the safer default for most cake batters. Batter height

Common cake pan areas

These values are rounded for practical kitchen use. When your pans are deeper than the recipe pan, area is still useful, but capacity and fill level should be checked before baking.

Primary rule Target area ÷ original area

For example, an 8-inch round pan is about 50.3 square inches. A 9-inch round pan is about 63.6 square inches, so the scale is roughly 1.27x.