THE TOOLKIT / 02
Baking pan converter
Compare the total bottom area of round and rectangular pans to find an ingredient-quantity factor at a similar intended batter depth.
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THE NUMBERS, MADE CLEAR
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Enter the inputs to calculate.
| Measurement | Result |
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Displayed values round to 2 decimals. Calculations use unrounded inputs.
Bottom-area comparison only. Does not check pan depth, usable fill, taper, material, recipe rise, time or temperature. Not for Bundt, tube, shaped or irregular pans.
SHOW YOUR WORK
The formula
Round area = π × (diameter ÷ 2)² × pan count. Rectangular area = length × width × pan count. Recipe factor = target area ÷ original area.
Read the worked explanationBEFORE YOU BAKE
A useful starting point.
Bottom-area comparison only. Does not check pan depth, usable fill, taper, material, recipe rise, time or temperature. Not for Bundt, tube, shaped or irregular pans.
Record the original values before changing them. Switching mass or length units converts the same physical quantities; changing a pan, yield or formula basis changes the project.