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Cake tin conversion charts
These tables only apply if the cakes are to be the same height as the original recipe. Also you may need to reduce or increase the temperature and cooking time if there is a large difference between the original cake diameter and the one you are making. You need to multiply the figure in the last column (X BY) the original quantity given for each ingredient (flour, sugar etc), to calculate what you will need for the tin size you want to use.
Round to round or square to square only. See below for round to square and square to round equivalents, plus egg quantities.
| ORIGINAL TIN SIZE | DESIRED TIN SIZE | X BY |
|---|---|---|
| 13 cm / 5 inch | 15 cm / 6 inch | 1.44 |
| 13 cm / 5 inch | 18 cm / 7 inch | 1.96 |
| 13 cm / 5 inch | 20 cm / 8 inch | 2.56 |
| 13 cm / 5 inch | 23 cm / 9 inch | 3.24 |
| 13 cm / 5 inch | 25 cm / 10 inch | 4.00 |
| 13 cm / 5 inch | 28 cm / 11 inch | 4.84 |
| 13 cm / 5 inch | 30 cm / 12 inch | 5.76 |
| 13 cm / 5 inch | 36 cm / 14 inch | 7.84 |
| 15 cm / 6 inch | 13 cm / 5 inch | 0.69 |
| 15 cm / 6 inch | 18 cm / 7 inch | 1.36 |
| 15 cm / 6 inch | 20 cm / 8 inch | 1.78 |
| 15 cm / 6 inch | 23 cm / 9 inch | 2.25 |
| 15 cm / 6 inch | 25 cm / 10 inch | 2.78 |
| 15 cm / 6 inch | 28 cm / 11 inch | 3.36 |
| 15 cm / 6 inch | 30 cm / 12 inch | 4.00 |
| 15 cm / 6 inch | 36 cm / 14 inch | 5.44 |
| 18 cm / 7 inch | 13 cm / 5 inch | 0.51 |
| 18 cm / 7 inch | 15 cm / 6 inch | 0.73 |
| 18 cm / 7 inch | 20 cm / 8 inch | 1.31 |
| 18 cm / 7 inch | 23 cm / 9 inch | 1.65 |
| 18 cm / 7 inch | 25 cm / 10 inch | 2.04 |
| 18 cm / 7 inch | 28 cm / 11 inch | 2.47 |
| 18 cm / 7 inch | 30 cm / 12 inch | 2.94 |
| 18 cm / 7 inch | 36 cm / 14 inch | 4.00 |
| 20 cm / 8 inch | 13 cm / 5 inch | 0.39 |
| 20 cm / 8 inch | 15 cm / 6 inch | 0.56 |
| 20 cm / 8 inch | 18 cm / 7 inch | 0.77 |
| 20 cm / 8 inch | 23 cm / 9 inch | 1.27 |
| 20 cm / 8 inch | 25 cm / 10 inch | 1.56 |
| 20 cm / 8 inch | 28 cm / 11 inch | 1.89 |
| 20 cm / 8 inch | 30 cm / 12 inch | 2.25 |
| 20 cm / 8 inch | 36 cm / 14 inch | 3.06 |
| 23 cm / 9 inch | 13 cm / 5 inch | 0.31 |
| 23 cm / 9 inch | 15 cm / 6 inch | 0.44 |
| 23 cm / 9 inch | 18 cm / 7 inch | 0.60 |
| 23 cm / 9 inch | 20 cm / 8 inch | 0.79 |
| 23 cm / 9 inch | 25 cm / 10 inch | 1.23 |
| 23 cm / 9 inch | 28 cm / 11 inch | 1.49 |
| 23 cm / 9 inch | 30 cm / 12 inch | 1.78 |
| 23 cm / 9 inch | 36 cm / 14 inch | 2.42 |
| 25 cm / 10 inch | 13 cm / 5 inch | 0.25 |
| 25 cm / 10 inch | 15 cm / 6 inch | 0.36 |
| 25 cm / 10 inch | 18 cm / 7 inch | 0.49 |
| 25 cm / 10 inch | 20 cm / 8 inch | 0.64 |
| 25 cm / 10 inch | 23 cm / 9 inch | 0.81 |
| 25 cm / 10 inch | 28 cm / 11 inch | 1.21 |
| 25 cm / 10 inch | 30 cm / 12 inch | 1.44 |
| 25 cm / 10 inch | 36 cm / 14 inch | 1.96 |
| 28 cm / 11 inch | 13 cm / 5 inch | 0.21 |
| 28 cm / 11 inch | 15 cm / 6 inch | 0.30 |
| 28 cm / 11 inch | 18 cm / 7 inch | 0.40 |
| 28 cm / 11 inch | 20 cm / 8 inch | 0.53 |
| 28 cm / 11 inch | 23 cm / 9 inch | 0.67 |
| 28 cm / 11 inch | 25 cm / 10 inch | 0.83 |
| 28 cm / 11 inch | 30 cm / 12 inch | 1.19 |
| 28 cm / 11 inch | 36 cm / 14 inch | 1.62 |
| 30 cm / 12 inch | 13 cm / 5 inch | 0.17 |
| 30 cm / 12 inch | 15 cm / 6 inch | 0.25 |
| 30 cm / 12 inch | 18 cm / 7 inch | 0.34 |
| 30 cm / 12 inch | 20 cm / 8 inch | 0.44 |
| 30 cm / 12 inch | 23 cm / 9 inch | 0.56 |
| 30 cm / 12 inch | 25 cm / 10 inch | 0.69 |
| 30 cm / 12 inch | 28 cm / 11 inch | 0.84 |
| 30 cm / 12 inch | 36 cm / 14 inch | 1.36 |
| 36 cm / 14 inch | 13 cm / 5 inch | 0.13 |
| 36 cm / 14 inch | 15 cm / 6 inch | 0.18 |
| 36 cm / 14 inch | 18 cm / 7 inch | 0.25 |
| 36 cm / 14 inch | 20 cm / 8 inch | 0.33 |
| 36 cm / 14 inch | 23 cm / 9 inch | 0.41 |
| 36 cm / 14 inch | 25 cm / 10 inch | 0.51 |
| 36 cm / 14 inch | 28 cm / 11 inch | 0.62 |
| 36 cm / 14 inch | 30 cm / 12 inch | 0.73 |