23cm round tin to 25cm square tin
Multiply every ingredient by
×1.50
A 25cm square tin (10in) has 50% more area than a 23cm round tin (9in). Same depth of cake, more mixture.
| In the recipe | For your tin |
|---|---|
| 100g | 150g |
| 250g | 376g |
| 3 eggs | 4.5 eggs |
Paste your recipe into the scaler, already set to ×1.50. It rounds everything sensibly and tells you what to do with part of an egg.
The working
23cm round tin: 415.48cm² of base. 25cm square tin: 625cm². 625 ÷ 415.48 = 1.50. This assumes both tins are the same depth.