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Cooking & baking

Round cake tin converter

Adjust an ingredient quantity for a round tin with a different diameter while keeping the filling depth the same.

Free & no registration Calculated in your browser
01

Your inputs

The starting values are an example.

Decimals: 12.5 · Thousands: 1,234.56. Follow the field instructions for lists.

02

Your result

Enter your values and select Calculate.

Your calculation will appear here.

Your result will include the relevant values and units.

Understand the calculation

Formula and example

How it is calculated

Quantity factor = (new diameter / original diameter)²

Worked example

Changing from a 20 cm tin to a 26 cm tin gives a factor of 1.69. A 200 g quantity becomes 338 g.

Things to check

  • Both tins are treated as circular with the same filling depth. Monitor the baking time separately.