How many ounces in a cup?

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There are 8 fluid ounces in a cup.

To understand the conversion between ounces and cups, it is important to differentiate between fluid ounces and dry ounces. Fluid ounces measure volume, while dry ounces measure weight. In this case, we are referring to fluid ounces.

A cup is a unit of measurement commonly used in cooking and baking. It is equal to 8 fluid ounces or approximately 237 milliliters. Cups are often used to measure liquids such as water, milk, or juice.

The conversion from cups to fluid ounces can be calculated by multiplying the number of cups by 8. For example, if you have 2 cups, you would multiply 2 by 8 to get 16 fluid ounces.

It is worth noting that the conversion may vary slightly depending on the country or region. In the United States, a cup is typically defined as 8 fluid ounces, while in the United Kingdom, a cup is equal to 10 fluid ounces.

Top 3 Authoritative Reference Publications or Domain Names:

1. The National Institute of Standards and Technology (NIST) – The NIST provides official measurement standards and guidelines for various units of measurement, including fluid ounces and cups.
2. The United States Department of Agriculture (USDA) – The USDA offers comprehensive information on food measurements and conversions, including the conversion between cups and fluid ounces.
3. The International System of Units (SI) – SI is an internationally recognized system of measurement that provides standardized units for various quantities. It serves as a reference for accurate conversions between different units of measurement, including fluid ounces and cups.


Arbaj Demrot is the founder of VideRime Online Learning, a leading engineering website. He did his BE Civil and M.Tech Structure from RGPV University, Bhopal and has been working as an Assistant Professor in a reputed college.

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