Ounces to Cups Converter

Relationship Between Fluid Ounces and Cups

The conversion between fluid ounces and cups is based on the relationship where 1 US fluid ounce equals 0.125 US cups.

1 fl oz = 0.125 cup

Therefore,

1 cup = 8 fl oz

To convert fluid ounces to cups, we divide the value in fluid ounces by 8.

For example, 8 fluid ounces equal 1 cup, 16 fluid ounces equal 2 cups, and 4 fluid ounces equal 0.5 cup.

Fluid Ounce (fl oz)

What is a Fluid Ounce (fl oz)?

A fluid ounce (symbol: fl oz) is a unit of volume in the imperial and US customary systems. In the US, one fluid ounce equals approximately 29.5735 milliliters or 0.0295735 liters. There are 8 fluid ounces in a cup and 16 fluid ounces in a pint.

History and Origin of the Fluid Ounce

The fluid ounce has been used as a measurement unit for liquids for centuries. The term "ounce" comes from the Latin "uncia," meaning "one-twelfth," as it originally represented one-twelfth of a pound. The US fluid ounce was standardized in the 19th century.

Modern Applications of Fluid Ounces

Fluid ounces are commonly used in the United States for measuring beverages, cooking liquids, and medication dosages. They are frequently found on product labels, especially for beverages, and are used in cooking recipes. In many other countries, milliliters are preferred for liquid measurements.

Cup

What is a Cup?

A cup is a unit of volume measurement commonly used in cooking and baking, particularly in the United States. The US customary cup equals approximately 236.588 milliliters or 0.236588 liters. It is divided into smaller units such as tablespoons and teaspoons.

History and Origin of the Cup

The cup as a measurement unit has been used for centuries in cooking, though its exact volume has varied by region and time period. The modern US customary cup was standardized in the late 19th century and is now widely used in American recipes and cookbooks.

Modern Applications of Cups

Cups are primarily used in cooking and baking recipes in the United States and some other countries. They provide a convenient way to measure both liquid and dry ingredients. However, many professional kitchens and international recipes prefer metric measurements like milliliters and grams for greater precision.

Different Cup Standards

It's important to note that different countries have different cup sizes. The US customary cup is 236.588 mL, while the metric cup used in countries like Australia and New Zealand is 250 mL, and the imperial cup (used historically in the UK) is approximately 284 mL. This converter uses the US customary cup standard.

Fluid Ounce to Cup Conversion Table

The conversion of fluid ounces to cups for certain values are provided below: