Cooking conversions

Article by: Allrecipes staff  |  Picture by: Allrecipes
Cooking conversions
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Use this helpful guide to find baking and cooking conversions between metric, imperial and US cup measures.

Convert carefully
For most home cooks, an extra gram or two of an ingredient won't make much of a difference. Once you start working with larger quantities, however, precision counts: an incorrect measurement can throw off a ratio and ruin a recipe. Proper ingredient measurements are especially important in baking. If you're working with larger quantities, especially in baking, seek out a precise conversion tool on the internet, or use a search engine to convert between metric and imperial.


Volume

When measuring liquid, cooking measurements are quite straightforward:

Metric Imperial US cups
250ml 8 fl oz 1 cup
180ml 6 fl oz 3/4 cup
150ml 5 fl oz 2/3 cup
120ml 4 fl oz 1/2 cup
75ml 2 1/2 fl oz 1/3 cup
60ml 2 fl oz 1/4 cup
30ml 1 fl oz 1/8 cup
15ml 1/2 fl oz 1 tablespoon
Weight

Check this chart for basic imperial to metric conversions:

1/2 oz 15g
1 oz 30g
2 oz 60g
3 oz 90g
4 oz 110g
5 oz 140g
6 oz 170g
7 oz 200g
8 oz 225g
9 oz 255g
10 oz 280g
11 oz 310g
12 oz 340g
13 oz 370g
14 oz 400g
15 oz 425g
1 lb 450g
Spoons!

Ever stop to wonder about teaspoons, dessertspoons and tablespoons? Here are their metric equivalents. But first:

1 dessertspoon = 2 teaspoons
3 teaspoons = 1 tablespoon

1 teaspoon 5ml
2 teaspoons 10ml
1 tablespoon 15ml
2 tablespoons 30ml
3 tablespoons 45ml
4 tablespoons 60ml
5 tablespoons 75ml
6 tablespoons 90ml
7 tablespoons 105ml


Also know that tablespoons can be easily used to convert dry (and wet) ingredients to/from US cups. Here's a simple conversion chart:

Tablespoons to US cups
1 tablespoon 1/16 cup
2 tablespoons 1/8 cup
4 tablespoons 1/4 cup
5 tablespoons 1/3 cup
8 tablespoons 1/2 cup
10 tablespoons 2/3 cup
12 tablespoons 3/4 cup
16 tablespoons 1 cup
Weight of common ingredients

Found a recipe in US cups? Keep in mind a cup of butter weighs much more than a cup of flour! Use this chart to convert common ingredients between cups, metric and imperial:

Plain flour and icing sugar
US cups Metric Imperial
1/8 cup 15g 1/2 oz
1/4 cup 30g 1 oz
1/3 cup 40g 1 1/2 oz
1/2 cup 65g 2 1/4 oz
2/3 cup 85g 3 oz
3/4 cup 95g 3 1/4 oz
1 cup 125g 4 1/2 oz


Porridge oats
US cups Metric Imperial
1/8 cup 10g 1/3 oz
1/4 cup 20g 3/4 oz
1/3 cup 30g 1 oz
1/2 cup 45g 1 1/2 oz
3/4 cup 60g 2 1/4 oz
1 cup 85g 3 oz


Sugar (caster and granulated)
US cups Metric Imperial
1/8 cup 25g 1 oz
1/4 cup 50g 1 3/4 oz
1/3 cup 70g 2 1/4 oz
1/2 cup 100g 3 1/2 oz
2/3 cup 135g 4 3/4 oz
3/4 cup 150g 5 1/4 oz
1 cup 200g 7 oz


Brown soft sugar
US cups Metric Imperial
1/8 cup 25g 1 oz
1/4 cup 55g 2 oz
1/3 cup 75g 2 1/2 oz
1/2 cup 110g 4 oz
2/3 cup 150g 5 oz
3/4 cup 170g 6 oz
1 cup 220g 7 3/4 oz


Honey, treacle and syrup
US cups Metric Imperial
1/8 cup 45g 1 1/2 oz
1/4 cup 85g 3 oz
1/3 cup 110g 4 oz
1/2 cup 170g 6 oz
2/3 cup 225g 8 oz
3/4 cup 250g 9 oz
1 cup 340g 12 oz


Butter and margarine
US cups Metric Imperial
1/8 cup 25g 1 oz
1/4 cup 60g 2 oz
1/3 cup 75g 3 oz
1/2 cup 110g 4 oz
2/3 cup 150g 5 1/4 oz
3/4 cup 180g 6 1/4 oz
1 cup 225g 8 oz
Quick conversions

For other common ingredients, here are some quick conversions from US cups to metric:

1 cup chocolate chips = 150g
1 cup cocoa powder = 125g
1 cup chopped walnuts or pecans = 125g
1 cup walnut or pecan halves = 100g
1 cup desiccated coconut = 75g
1 tablespoon baking powder = 15g
1 tablespoon salt = 18g
1 cup grated Cheddar cheese = 120g
1 cup grated Parmesan cheese = 80g
1 cup dried breadcrumbs = 120g
1 cup couscous = 175g
1 cup lentils = 190g
1 cup sultanas or raisins = 170g
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