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# BAKING TIN SIZES

Recipe says to use an 8 inch round tin but you only have square tins- what size should you use?

We have all been faced with this dilemma and as the size of tin is an important factor when cooking a cake it is useful to know the approximate equivalent when using a different shape tin.

In view of this I am often being asked for conversion tables for baking utensils so here is a chart showing a few of the most common.

TIP

The thing to bear in mind is that the capacity of a round tin is roughly equal to a square tin which is 2.5 cms or 1" smaller (although this formula does not appear to apply to the smaller sizes).

 CAPACITY ROUND TINS SQUARE TINS Metric (Imperial) Metric (Imperial) Metric (Imperial) 800 ml (1.1/2pint basin) = 140 mm (5 1/2") = 1.1 litres (2 pints) = 180 mm (7 in) = 125 mm (5 in) 1.2 litre (2 pint basin) = 150 mm (6 in deep) = 125 mm (5in deep) 1.7 litres (3 pints) = 200 mm (8 in) = 180 mm (7 in) 2.3 litres (4 pints) = 230 mm (9 in) = 200 mm (8 in) 3.4 litres (6 pints) = 250 mm (10 in) = 230 mm (9 in) 4.5 litres (8 pints) = 280 mm (11 in) = 250 mm (10 in) 5.7 litres (10 pints) = 300 mm (12 in) = 280 mm (11 in) 1 kg. (2lb) loaf tin = = 180 mm (7 in) shallow tin or 130 mm x 230 mm (9 in) swiss roll tin

When using recipes online you can be faced with unfamiliar tin sizes used in other parts of the world so, hopefully, the following chart which shows the equivalent American metric tins to various Imperial baking tins and casseroles will prove useful.

 Imperial American metric 8 x 1.1/2 inch round baking tin 20cm x 4cm cake tin 9 x 1.1/2 inch round baking tin 23cm x 3.5cm cake tin 11 x 7 x1.1/2 inch baking tin 28cm x 18cm x 4cm baking tin 13 x 9 x 2 inch baking tin 230cm x 20cm x 3cm baking tin 2 quart rectangular baking dish 30cm x 20cm x 3cm baking tin 15 x 10 x 2 inch baking tin 30cm x 25cm x 2cm baking tin 9 inch pie plate 22cm x 4cm or 23cm x 4cm pie plate 7 or 8 inch springform tin 18cm  or 20cm springform of loose bottom cake tin 9 x 5 x 3 inch loaf tin 23cm x 13cm x 7cm or 2lb. (pound) narrow loaf tin or pate tin 1.1/2 quart casserole 1.5 litre casserole 2 quart casserole 2 litre casserole