Q:

# How many fluid ounces equals a cup?

A:

There are 8 fluid ounces in one cup. One fluid ounce is equivalent to one-eighth of a cup and is a measure of volume as opposed to an ounce, which is a measure of weight.

## Keep Learning

Credit: Ted Morrison Photolibrary Getty Images

Fluid ounces are an imperial measurement. The metric equivalent of a fluid ounce is a milliliter. There are 235 ml in a cup. In cooking and baking, it is important when measuring ingredients to use a uniform method for quantities. It is entirely acceptable to use cups, fluid ounces or ounces, as most recipes call for relative amounts of ingredients, for example, half as much fat as flour.

Sources:

## Related Questions

• A:

Six ounces equals 3/4 cup. One cup is equivalent to 8 ounces. Ounces measure only liquid ingredients in the United States. However, in the United Kingdom, ounces measure both dry and liquid ingredients. The conversion remains true regardless of the type of ingredient being used.

Filed Under:
• 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.

Filed Under:
• A:

A cup of butter is equal to 227 grams, or 8 ounces. In the United States, butter is often measured in sticks, with a cup being equivalent to 2 sticks. A quick way to measure butter is to refer to the printed measurements on the wrapper of an unopened brick.