Cake Sizing – How to increase Your Cake Mix

We are frequently asked in our cake decorating shop, Knowle, Solihull, about How much cake mix do I need to make a??? sized cake. This is more common when using different shaped novelty cake tins for themed birthday cakes or a bespoke wedding cake.

 

The following table should help with round and square shaped cakes.  For any other shape, fill your 8” round with water to the depth required, then tip that water into the shaped tin and you will be able to compare the quantities and adjust accordingly .

 

This table uses the 8” round tin as its base. Therefore a 12” round  (11” square) will require the base recipe to be multiplied by 2 ½ for example 200g will be increased to 500g.
If baking in a 4” square (5” round) use 1/3 of the base recipe, for example 200g will be reduced to 67g.

 

Round Square Multiples
4” 3” 1/4
5” 4” 1/3
6” 5” 1/2
7” 6” 3/4
8” 7” 1
9” 8” 1 ¼
10” 9” 1 ½
11” 10” 2
12” 11” 2 ½
13” 12” 3
14” 13” 3 ½

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