Loaf 21.5 × 11.5 cm / 8½ × 4½ in vs Springform 18 cm / 7 in
| Loaf 21.5 × 11.5 cm / 8½ × 4½ in | Springform 18 cm / 7 in | |
|---|---|---|
| Size | 22 × 12 cm | 18 cm across |
| Base area | 247.3 cm² | 254.5 cm² |
| Usual depth | 7 cm | 7 cm |
| Holds | 1.61 L | 1.65 L |
Can you swap them?
Swap them freely. The areas are within 2.9% of each other, which is less than the variation between two tins of the same nominal size from different manufacturers. Use the recipe as written.
Nothing standard sits between these two, so this is the smallest change available in this shape.
Scaling the recipe
| Recipe written for | Baked in | Multiply by | Or leave it and get |
|---|---|---|---|
| Loaf 21.5 × 11.5 cm / 8½ × 4½ in | Springform 18 cm / 7 in | 1.03 | 97% of the depth |
| Springform 18 cm / 7 in | Loaf 21.5 × 11.5 cm / 8½ × 4½ in | 0.97 | 103% of the depth |
Multiply every ingredient, including the eggs — round to the nearest half egg and adjust the liquid rather than rounding a whole one up.
Baking time
The depths work out the same here, so use the time as written. Why depth sets the time and diameter barely does →
Frequently asked questions
Can I use a Springform 18 cm / 7 in instead of a Loaf 21.5 × 11.5 cm / 8½ × 4½ in?
Yes, with the mixture multiplied by 1.03. Springform 18 cm / 7 in has 254.5 cm² of base against 247.3 cm², so an unscaled Loaf 21.5 × 11.5 cm / 8½ × 4½ in recipe sits 97% as deep and bakes faster.
What is the difference between a Loaf 21.5 × 11.5 cm / 8½ × 4½ in and a Springform 18 cm / 7 in?
Loaf 21.5 × 11.5 cm / 8½ × 4½ in has a base area of 247.3 cm² and Springform 18 cm / 7 in has 254.5 cm² — Springform 18 cm / 7 in is 2.9% larger. At their usual depths they hold 1.61 L and 1.65 L.
Do I need to change the baking time between a Loaf 21.5 × 11.5 cm / 8½ × 4½ in and a Springform 18 cm / 7 in?
No. The two areas are within 2.9%, so the batter sits at effectively the same depth and bakes in the same time.
Related comparisons
- 18 cm / 7 in round vs Loaf 21.5 × 11.5 cm / 8½ × 4½ in
- Loaf 21.5 × 11.5 cm / 8½ × 4½ in vs Loaf 23 × 13 cm / 9 × 5 in
- Loaf 23 × 13 cm / 9 × 5 in vs Springform 18 cm / 7 in
- Springform 18 cm / 7 in vs Springform 20 cm / 8 in
Loaf 21.5 × 11.5 cm / 8½ × 4½ in in full · Springform 18 cm / 7 in in full · All tin comparisons · All baking tin sizes