Food & hospitality
Cake tin recipe resizing Calculator
Scale recipe ingredients between round or rectangular cake tins using area or fill-volume ratios. This free cake tin recipe resizing calculator shows the calculation and its assumptions so you can compare your own figures.
Your results
Scale recipe ingredients between round or rectangular cake tins using area or fill-volume ratios.
Calculated outcomes
- Source Area M2
- 0.0314 m²
- Target Area M2
- 0.0707 m²
Assumptions and estimates
- Use internal tin dimensions and actual batter fill heights. Geometry scales ingredient amounts, not baking time, oven temperature, rise or recipe chemistry. Equal fill height is assumed unless selected otherwise.
- Method: Round area = πd²/4; rectangular area = width × length. Scale factor = new area / original area, multiplied by new/original fill height when selected. Multiply each ingredient by this factor.
- Internal dimensions and actual batter fill height only. Geometry does not determine baking time, temperature, rise or recipe chemistry. Apply the ratio separately to each ingredient in the original recipe.
Useful next steps
- Use Compare options to test an alternative side by side.
- Copy, print or download a record of this calculation when you need one.
Reports open your email app addressed to s@s1.ie with the public page address only. Your inputs are never added.
How the cake tin recipe resizing calculation works
Round area = πd²/4; rectangular area = width × length. Scale factor = new area / original area, multiplied by new/original fill height when selected. Multiply each ingredient by this factor.
Internal dimensions and actual batter fill height only. Geometry does not determine baking time, temperature, rise or recipe chemistry. Apply the ratio separately to each ingredient in the original recipe.
Using this calculator
- Enter your own figures in the labelled inputs. Keep the currencies, units and time periods consistent.
- Choose any applicable rate profile, pattern or assumption shown for this tool. Open additional inputs when relevant.
- Review scale factor and scaled ingredient g, then read the stated assumptions and eligibility conditions before using the result.
Worked example
This is a static example using illustrative inputs, not facts about you or today’s date. The displayed eligibility selections and assumptions apply only to this example.
See example inputs
- Original tin shape
- Round
- Original internal diameter/width (cm)
- 20
- New tin shape
- Round
- New internal diameter/width (cm)
- 30
- Use different batter fill heights
- No
- Original recipe ingredient weight (g)
- 100
- Scale Factor
- 2.25×
- Scaled Ingredient G
- 225 g