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Cups to Ounces (oz) Conversion
Convert between cups and dry ounces or fluid ounces for a wide range of ingredientsand find out how many ounces there are in a cup.
Disclaimer: Whilst every effort has been made in building our calculator toolswe are not to be held
liable for any damages or monetary losses arising out of or in connection with their use. Full disclaimer .
On this page:
How many dry ounces are in a cup?
A cup of flour measures about 4.4 oza cup of sugar about 7.1 ozand a cup of butter about 8 oz .
One US cup of all-purpose flour converts to 4.4 oz.
One US cup of granulated sugar converts to 7.1 oz.
One US cup of un-sifted powdered sugar converts to 4.2 oz.
One US cup of chocolate chips converts to 6 oz.
When converting between cups and dry ounces (oz) it's important to remember that the cup is a unit of volume and the dry ounce (oz) is a unit of weight. This means that
the density of the substance needs to be factored into the conversion. As an examplea cup of flour weighs less than a cup of butter (4.4 ounces versus 8 ounces).
1 cup to dry ounces for ingredients
Ingredient
1 Cup (US)
1/2 Cup (US)
Flour (all-purpose)
4.4 oz
2.2 oz
Flour (bread)
4.48 oz
2.24 oz
Butter
8 oz
4 oz
Honey
11.85 oz
5.93 oz
Margarine
8.1 oz
4.05 oz
Milk
8.64 oz
4.32 oz
Oats
3.6 oz
1.8 oz
Sugar (granulated)
7.1 oz
3.55 oz
Sugar (brown)
7.05 oz
3.53 oz
Sugar (caster)
6.68 oz
3.34 oz
Sugar (powdered)
4.2 oz
2.1 oz
A full list of ingredient conversions is available on the baking ingredient conversions page . You can also
convert cups to grams here .
How many fluid ounces are in a cup?
In the United Statesone cup holds 8 fluid ounces. In the United Kingdomone cup holds 10 UK fluid ounces.
1 US cup (236.6mL) = 8 US fluid ounces
1 UK cup (284.1mL) = 10 UK fluid ounces
1 metric cup (250mL) = 8.799 UK fluid ounces
US cups to fluid ounces chart
Cups (US)
Ounces (fluid)
Tablespoons (US)
1 cup
8 fl oz
16 tbsp
3/4 cup
6 fl oz
12 tbsp
2/3 cup
5.3 fl oz
10.6 tbsp
1/2 cup
4 fl oz
8 tbsp
1/3 cup
2.7 fl oz
5.3 tbsp
1/4 cup
2 fl oz
4 tbsp
Cups to fluid ounces infographic
The infographic below shows measurements for US cups to ouncestablespoonsteaspoons and milliliters. Note that all figures are rounded to the nearest whole number.
Converting between other cooking units
To convert between other cooking units such as gramspoundsquartstablespoonsteaspoonslitres and moregive the cooking converter a try. You can also
convert directly between cups and mL and ounces and mL .
Calculator created by Alastair Hazell .
References
Food and Agricultural Organisation of the United Nations. Density Database Version 2.0
Rose Levy Beranbaum. (1988). The Cake Bible. https://www.realbakingwithrose.com/the-cake-bible
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