Springform 18 cm / 7 in tin
254 cm² · 1.7 litres
18 cm across · 39.4 in² · 65 mm deep · round
About this tin
A small springform, used for cheesecakes for four to six. The releasing base is what makes it worth owning; the size is otherwise the same as any 18 cm round.
The numbers
| Diameter | 18 cm · 7.1 in |
| Depth | 65 mm · 2.6 in |
| Base area | 254 cm² · 39.4 in² |
| Volume to the rim | 1.7 litres |
| Usable batter | about 1.0 litres — filled to roughly two thirds |
What can replace a Springform 18 cm / 7 in
A recipe is written for an area, because area sets the depth and depth sets the baking time. Anything within about 10% needs no adjustment. Past that, change the time first and only then the temperature.
| Tin | Area | vs this one | Effect |
|---|---|---|---|
| 18 cm / 7 in round | 254 cm² | +0% | Interchangeable — no change needed |
| Loaf 21.5 × 11.5 cm / 8½ × 4½ in | 247 cm² | -3% | Interchangeable — no change needed |
| Loaf 23 × 13 cm / 9 × 5 in | 299 cm² | +17% | Batter 0.85× as deep — check 9–17 minutes early |
| 20 cm / 8 in round | 314 cm² | +23% | Batter 0.81× as deep — check 12–23 minutes early |
| Springform 20 cm / 8 in | 314 cm² | +23% | Batter 0.81× as deep — check 12–23 minutes early |
| 18 cm / 7 in square | 324 cm² | +27% | Batter 0.79× as deep — check 14–27 minutes early |
Frequently asked questions
What is the area of a Springform 18 cm / 7 in tin?
254 cm² (39.4 in²), holding roughly 1.7 litres filled to 65 mm.
Can I use a different tin instead of a Springform 18 cm / 7 in?
The closest here is 18 cm / 7 in round at 254 cm² — 0% less area, so it sits deeper and needs longer. As a rule, anything within about 10% needs no change; beyond that, adjust the time before the temperature.
How much does a Springform 18 cm / 7 in tin hold?
About 1.7 litres to a depth of 65 mm. Cake batter is normally filled to between half and two thirds, so 1.0 litres of mixture is a working figure.
Why does tin size change the baking time?
Because a recipe is written for a depth, not a name. Heat reaches the centre of a shallow cake sooner, so the same mixture in a wider tin is done earlier and browns more at the edges. The area ratio tells you how much shallower: swapping a Springform 18 cm / 7 in for a 18 cm / 7 in round changes the depth by a factor of 1.00.
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