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How to Convert Measurements in Baking Recipes

Weights & Measures Guide

Conversion chart

Cup measures

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Cup measures Equivalent
1 cup plain/self raising flour 125g (4oz)
1 cup rice flour 185g (6oz)
1 cup basil leaves 45g (1 ½oz)
1 cup brown sugar 200g (6 ½oz)
1 cup white/caster sugar 225g (7oz)
1 cup cocoa powder 80g (3oz)
1 cup desiccated coconut 75g (3oz)
1 cup grated parmesan 100g (3 ½oz)
1 cup flat leaf parsley (1 ¼oz)
1 cup fresh breadcrumbs 50g (2oz)
1 cup mint leaves (1 ¼oz)
1 cup shredded rocket 30g (1oz)
1 cup sour cream 250g (8oz)
Conversion chart

Length

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Metric Imperial/US
2.5cm inch
5cm inch
20cm inches
30cm inches (1foot)
Conversion chart

Temperature

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Celsius Fahrenheit Gas mark
100°C 225°F ¼
125°C 250°F ¼
150°C 300°F 2
160°C 325°F 3
170°C 325°F 3
180°C 350°F 4
190°C 375°F 5
200°C 400°F 6
210°C 425°F 7
220°C 425°F 7
230°C 450°F 8
250°C 500°F 9

Note
To convert from Fahrenheit to Celsius: subtract 32 from the °F measure then divide by 1.8.

Abbreviations

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Cup measures Equivalent
g gram
kg kilogram
mm millimetre
cm centimetre
ml millilitre
°C degrees Celsius
tsp teaspoon
Tbsp Tablespoon
Conversion chart

Weight

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Metric Imperial/US
25g 1oz
50g 2oz
100g 4.5oz
150g 5oz
250g 9oz
450g 16oz (1lb)
1kg 35oz
Conversion chart

Liquid

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NZ Metric Imperial US
5ml (1 teaspoon) ¼ fl oz 1 teaspoon
15ml (1 tablespoon) ¼ fl oz 1 tablespoon
30ml (⅛ cup) 1 fl oz ⅛ cup
60ml (¼ cup) 2 fl oz ¼ cup
125ml (½ cup) 4 fl oz ½ cup
150ml 5 fl oz ⅔ cup
175ml 6 fl oz ¾ cup
250ml (1 cup) 8 fl oz 1 cup (½ pint)
300ml 10 fl oz (½ pint) 1 ¼ cups
375ml 12 fl oz 1 ½ cups
500ml 16 fl oz 2 cups (1 pint)
600ml 20 fl oz (1 pint) 2 ½ cups


Note
The Australian metric tablespoon measure is 20 ml.

Sugar Stage Temperature Chart

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Stage Temperature Description
Sugar Syrup 106-112°C or 223-234°F Syrup will form a loose thin thread. Used for sugar.
Soft Ball 112-115°C or 234-240°F Syrup will form a soft, sticky ball that can be flattened when removed from the water. Used for caramels, fudge, Italian meringues, pralines, fondant, and butter creams.
Firm Ball 116-120°C or 242-248°F Syrup will form a firm but pliable, sticky ball that holds its shape briefly. Used for caramels, butter creams, nougat, marshmallows, gummies, and toffees.
Hard Ball 122-130°C or 250-266°F Syrup will form a hard, sticky ball that holds its shape. Used for caramels, nougat, divinity, and toffees.
Soft Crack 132-143°C or 270-290°F Syrup will form strands that are firm yet pliable. Used for butterscotch, firm nougat, and taffy.
Hard Crack 146-155°C or 295-310°F Syrup will form threads that are stiff (brittle) and break easily. Used for brittles, toffees, glazed fruit, hard candy, pulled poured, and spun sugar.
Caramel 160-182°C or 320-360°F Syrup will become transparent and will change color, ranging from light golden brown to dark amber. Used for pralines, brittles, caramel-coated molds, and Nougatine.

Cake tin sizes

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Metric Imperial/US
2.5cm 1 inch
5cm 2 inches
20cm 8 inches
30cm 12 inches (1 foot)

Egg sizes & weights

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Grade Minimum Weight
Jumbo (8) 68g
Large (7) 62g
Standard (6) 53g
Medium (5) 44g
Pullet (4) 35g


Note
The Egg Producers Federation of New Zealand tells us egg weight can vary from about 40-80 grams per egg. These are sold by grade (4, 5, 6, 7, 8), based on a minimum size for the grade in the table below. Remember that this is not an international grading system so take this into account when trying recipes from overseas. All Chelsea recipes use size 7 eggs unless stated otherwise.

Baking temperatures and oven position

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Baking Temperature Heat Position
Meringues, pavlova 110-140°C low above middle
Rich fruit cakes 150-160°C low below middle
Custards, milk puddings 150-160°C low below middle
Shortbread 150-160°C low middle
Large and small cakes 180-190°C moderate middle
Biscuits 180-190°C moderate above middle
Sponges, muffins 190-220°C moderate - hot above middle
Scones 230-250°C hot above middle
Short pastry 190-220°C moderate - hot above middle
Flaky pastry 230-250°C hot middle
Puff pastry 250°C hot middle


Note
unless specifically stated, all cooking temperatures on our website are 'bake' not fan-bake. If you use the fan-bake function you will need to lower the temperature by 20°C.