Accurate measurements are crucial for cooking and baking, and one of the most commonly used measurements in recipes is cup measurement. However, not all cups used for cooking and baking are of the same size, which could lead to a problem if you’re not familiar with the cups’ measurement. Particularly, the two most commonly used cup measurements in recipes are the U.S. customary cup measurement and metric cup measurement.

This article will offer insights into understanding recipe measurements, particularly how many fluid ounces in 3/4 cup. You’ll also learn what exactly cup measurements are, and how to convert them effectively.

What is a cup measurement?

A cup is a unit of measurement used in the cooking and baking industry for fluid and dry ingredients. The cup measurements are used interchangeably but are varied in their quantities. A US customary cup is 236.59 ml, while the metric cup is smaller comprising 250 ml.

How many fluid ounces in a 3/4 cup?

Fluid Ounce is a measure of volume, which is a part of the U.S. customary system. 1 fluid ounce is equal to 28.41 milliliters. The 3/4 cup measure is between 177 and 178 milliliters. Thus, 3/4 cup equals 6 fluid ounces in terms of U.S. customary measurement.

US Cup to Fluid Ounce Conversion Table:

1 US Cup and 1/16 cup = 8 US fluid ounces
3/4 US Cup = 6 US fluid ounces
2/3 US Cup = 5.33 US fluid ounces
1/2 US Cup = 4 US fluid ounces
1/3 US Cup = 2.67 US fluid ounces
1/4 US Cup = 2 US fluid ounces

Metric cup to fluid ounce conversion table:

1 metric cup = 8.80 Imperial fluid ounces
3/4 metric cup = 6.6 Imperial fluid ounces
2/3 metric cup = 5.5 Imperial fluid ounces
1/2 metric cup = 4.40 Imperial fluid ounces
1/3 metric cup = 2.9 Imperial fluid ounces
1/4 metric cup = 2.2 Imperial fluid ounces

Q1) Are all measuring cups used for baking of the same size?
No. Measuring cups are of different measurements. While the US standard measuring cup measures 236.59 ml, the metric cup measures 250 ml.

Q2) Can fluid ounces be converted to milliliters?
Yes, fluid ounces can be converted to milliliters. 1 fluid ounce equals 28.41 ml.

Q3) Are cup measurements universal?
Not necessarily. Cup measurements are used interchangeably, but the volume measurement can vary based on location. The US customary cup is 236.59 ml, while the metric cup attaches a smaller quantity of 250 ml.

Q4) Can tablespoons be used interchangeably with cup measurements?
No. Although kitchen volume measurements are given in different units, Tablespoon (TBSP) measurement is smaller compared to the standard cup size measurement. It is, therefore, important to use the correct measurements for a recipe.


For any recipe, it is essential to have a proper understanding of measurements. Although there are different measurements units in use, the most common measurement is the cup. When using 3/4 cup, in terms of the U.S. customary measurement, it translates to 6 fluid ounces. Understanding the quantity of each cup used in baking and cooking is important to avoid ruining the recipe. Furthermore, subsequently converting the measurements to suit your personal needs is essential to achieve the perfect recipe.

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