Cooking
Recipe scaler
Scale every ingredient when changing a recipe yield.
Calculators / Cooking / Baking pan scaler
Baking pan scaler calculator
Scale a round cake recipe between two pan diameters.
On this page
Pan-area scale factor1.44×
Scaled ingredient amount432same unit
Calculator controls
How to calculate
Scale a round cake recipe between two pan diameters.
scale factor = target diameter² ÷ original diameter²
Worked example
Original pan diameter: 20; Target pan diameter: 24; Original ingredient amount: 300.
Pan-area scale factor: 1.44 ×; Scaled ingredient amount: 432 same unit.
Assumptions and limits
This compares equal-depth round pans. Different shapes, batter depths, ovens, and baking times require separate adjustment.
Results are rounded for display; calculations use unrounded values. Read our calculation methodology.
Understanding the result
Scale a round cake recipe between two pan diameters. The result follows the displayed formula and keeps every adjustable assumption visible.
When this tool is useful
Use this tool to plan quantities or compare scenarios before making a purchase or technical decision.
Understanding your inputs
| Input | What to enter |
|---|---|
| Original pan diameter | Enter a number of at least 0.000001 and no more than 1000000000000. |
| Target pan diameter | Enter a number of at least 0.000001 and no more than 1000000000000. |
| Original ingredient amount | Enter a number of at least 0 and no more than 1000000000000. |
Frequently asked questions
What can change the baking pan scaler result?
This compares equal-depth round pans. Different shapes, batter depths, ovens, and baking times require separate adjustment.
Should I round the inputs first?
No. Enter the best measurements available and round only the practical final quantity, such as full packs, boards, sheets, or components.