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Inches to centimetres

1 inch is 2.54 centimetres. Convert American tin and tray sizes to the ones sold here.

Centimetres (cm)

2.5cm

Worth knowing

Tin sizes are where this bites. A 9 inch round tin is 23 cm, an 8 inch is 20 cm, and a 9 × 13 inch slab tin is 23 × 33 cm. Going one size up spreads the batter thinner and the bake finishes earlier.

Conversion table

Inches (in)Centimetres (cm)
1 inches2.5 cm
2 inches5.1 cm
4 inches10.2 cm
6 inches15.2 cm
7 inches17.8 cm
8 inches20.3 cm
9 inches22.9 cm
10 inches25.4 cm
11 inches27.9 cm
12 inches30.5 cm
13 inches33 cm

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Ingredients, oven temperatures and tin sizes, converted and grouped into a shopping list you can share.

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