25cm round tin to 28cm round tin
Multiply every ingredient by
×1.25
A 28cm round tin (11in) has 25% more area than a 25cm round tin (10in). Same depth of cake, more mixture.
| In the recipe | For your tin |
|---|---|
| 100g | 125g |
| 250g | 314g |
| 3 eggs | 3.8 eggs |
Paste your recipe into the scaler, already set to ×1.25. It rounds everything sensibly and tells you what to do with part of an egg.
The working
25cm round tin: 490.87cm² of base. 28cm round tin: 615.75cm². 615.75 ÷ 490.87 = 1.25. This assumes both tins are the same depth.