A free, printable conversion chart for UK home cooking — oven temperatures, spoons, weights, volumes and the cup measurements American recipes use. Print it, stick it inside a cupboard door, and stop looking it up mid-recipe.

Oven temperatures

Gas markConventional °CFan °C°FDescription
1140120275Very cool
2150130300Cool
3170150325Warm
4180160350Moderate
5190170375Moderately hot
6200180400Hot
7220200425Hot
8230210450Very hot
9240220475Very hot

Fan ovens: as a rule, drop the conventional temperature by 20°C. If a recipe says 180°C and you have a fan oven, set it to 160°C.

Spoon measures

SpoonMillilitres
1/4 teaspoon1.25 ml
1/2 teaspoon2.5 ml
1 teaspoon (tsp)5 ml
1 dessertspoon10 ml
1 tablespoon (tbsp)15 ml
2 tablespoons30 ml

Weight

ImperialMetric
1/2 oz15 g
1 oz25 g
2 oz50 g
4 oz (1/4 lb)115 g
8 oz (1/2 lb)225 g
12 oz350 g
1 lb450 g
2 lb900 g

Liquid volume

Imperial (UK)Metric
1 fl oz30 ml
1/4 pint (5 fl oz)150 ml
1/2 pint (10 fl oz)275 ml
3/4 pint (15 fl oz)425 ml
1 pint (20 fl oz)570 ml
1 3/4 pints1 litre

Watch out: a UK pint is 20 fl oz (about 570 ml) but a US pint is 16 fl oz (about 473 ml). If a recipe is American, it is using the smaller pint.

Cups to grams

American recipes measure by volume. These are for a standard US cup (240 ml). A metric cup used in some British and Australian recipes is 250 ml, so it holds about 4% more.

Ingredient1 cup1/2 cup1/4 cup
Plain or self-raising flour125 g63 g31 g
Caster or granulated sugar200 g100 g50 g
Soft brown sugar (packed)220 g110 g55 g
Icing sugar125 g63 g31 g
Butter225 g115 g57 g
Milk or water240 g120 g60 g
Rolled oats90 g45 g23 g
Long grain rice (uncooked)185 g93 g46 g
Cocoa powder100 g50 g25 g
Honey or syrup340 g170 g85 g

Cup weights are approximate. How tightly flour is packed can change it by 10 g or more, which is why scales beat cups for baking.

Quick kitchen reference

Boiling point of water100°C / 212°F
Fridge0°C to 5°C
Freezer−18°C
Chicken cooked through75°C in the thickest part
Bread baked90°C to 96°C inside
1 litre of water1 kg
Measuring by eye is how bakes go wrong. Good scales, pans and kitchen tools, with free UK delivery.Shop kitchen

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