Q:

# How many ounces are in a cup?

A:

One cup contains 8 fluid ounces. The measurement of 1 cup is defined as a unit of capacity equal to 8 fluid ounces (237 milliliters), 16 tablespoons or 1 half-pint.

## Keep Learning

A cup is a measurement of volume which is why it is defined as equivalent to 8 fluid ounces, or 8 ounces of liquid. Dry materials can also be measured using cup units. In baking, for example, flour and sugar are frequently measured in cups.

A measuring cup is a physical container meant to hold 8 ounces. It is usually clear, and smaller units of measurement are marked on the outside using markers, including 1/2 cup, 1/3 cup and 1/4 cup.

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## Related Questions

• A:

There are 5 1/3 ounces in 2/3 of a cup. One cup is the equivalent of 8 ounces, and 2/3 of 8 is 5 1/3.

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• A:

One cup of powdered sugar is 4.41 ounces, so there are 3.63 cups in a pound of powdered sugar. The calculation is 16 ounces divided by 4.41 ounces per cup. Sifted powdered sugar is 3.61 ounces per cup, so there are 4.4 cups in one pound of powdered sugar if it is sifted. Contrarily, granulated sugar is 7.1 ounces per cup, and packed brown sugar is 7.75 ounces per cup.

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• A:

One cup of all-purpose flour is the equivalent to 128 grams, or 4.5 ounces. Half a cup of all-purpose flour is equal to 64 grams or 2.25 ounces, and a fourth of a cup is equal to 32 grams or 1.13 ounces. These measurements also apply to confectioners sugar.