Oven temperatures and Conversions

Oven temperatures

All Delia's recipes are tested thoroughly using conventional ovens.

For fan assisted ovens, if you are not able to switch off the fan function, we suggest you reduce the temperature by 20 degrees centrigrade, or check the manufacturer's handbook, although cannot guarantee the results in the same way we can for conventional ovens.

We also strongly recommend you use an oven thermometer at all times.

Conversions

All these are approximate conversions, which have either been rounded up or down. In a few recipes, it has been necessary to modify them very slightly. Never mix metric and imperial measures in one recipe; stick to one system or the other.

All spoon measurements on this site are level, unless specified otherwise.

All butter is salted, unless specified otherwise.

In Delia's recipes she uses large eggs, unless otherwise stated

All recipes are tested using whole milk, unless specified otherwise.

Weights

Imperial Metric
½ oz 10 g
¾ oz 20 g
1 oz 25 g
1½ oz 40 g
2 oz 50 g
2½ oz 60 g
3 oz 75 g
4 oz 110 g
4½ oz 125 g
5 oz 150 g
6 oz 175 g
7 oz 200 g
8 oz 225 g
9 oz 250 g
10 oz 275 g
12 oz 350 g
1 lb 450 g
1 lb 8 oz 700 g
2 lb 900 g
3 lb 1.35 kg

Dimensions

Imperial Metric
¹⁄₈ inch 3 mm
¼ inch 5 mm
½ inch 1 cm
¾ inch 2 cm
1 inch 2.5 cm
1¼ inch 3 cm
1½ inch 4 cm
1¾ inch 4.5 cm
2 inch 5 cm
2½ inch 6 cm
3 inch 7.5 cm
3½ inch 9 cm
4 inch 10 cm
5 inch 13 cm
5¼ inch 13.5 cm
6 inch 15 cm
6½ inch 16 cm
7 inch 18 cm
7½ inch 19 cm
8 inch 20 cm
9 inch 23 cm
9½ inch 24 cm
10 inch 25.5 cm
11 inch 28 cm
12 inch 30 cm

Volume

Imperial Metric
2 fl oz 55 ml
3 fl oz 75 ml
5 fl oz (¼ pint) 150 ml
10 fl oz (½ pint) 275 ml
1 pint 570 ml
1 ¼ pint 725 ml
1 ¾ pint 1 litre
2 pint 1.2 litre
2½ pint 1.5 litre
4 pint 2.25 litres

Oven temperatures

Gas Mark °F °C
1  275°F 140°C
2 300°F 150°C
3 325°F 170°C
4 350°F 180°C
5 375°F 190°C
6 400°F 200°C
7 425°F 220°C
8 450°F 230°C
9 475°F 240°C

American Cup Conversions

American Imperial Metric
1 cup flour 5oz 150g
1 cup caster/ granulated sugar 8oz 225g
1 cup brown sugar 6oz 175g
1 cup butter/margarine/lard 8oz 225g
1 cup sultanas/raisins 7oz 200g
1 cup currants 5oz 150g
1 cup ground almonds 4oz 110g
1 cup golden syrup 12oz 350g
1 cup uncooked rice 7oz 200g
1 cup grated cheese 4oz 110g
1 stick butter 4oz 110g

Liquid Conversions

Imperial Metric American
½ fl oz 15 ml 1 tbsp
1 fl oz 30 ml 1/8 cup
2 fl oz 60 ml ¼ cup
4 fl oz 120 ml ½ cup
8 fl oz 240 ml 1 cup
16 fl oz 480 ml 1 pint

Note: A pint isn't always a pint: in British, Australian and often Canadian recipes you'll see an imperial pint listed as 20 fluid ounces. American and some Canadian recipes use the American pint measurement, which is 16 fluid ounces.

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