What Is Half of 2/3 Cup?

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Half of two-thirds of a cup is approximately 2.68 ounces or one-third of a cup. This assumes that you are taking two-thirds of a standard 8-ounce cup and calculating half of that amount. 

Reasons to Divide Two-thirds of a Cup

If you’re following a recipe for food or homemade household cleaning supplies, it’s helpful to understand how to adjust the recipe to adjust for different yields or to adapt it to your measuring utensils. Assume that you’re making a batch of homemade punch. The recipe calls for two-thirds of a cup of fruit juice. However, you don’t need the full amount of the recipe and want to divide it in half. To do this, you’ll have to adjust all of the provided denominations, including the two-thirds cup of fruit juice. You can use the following concepts for both wet and dry measures. All of the calculations below are based on wet measures, however.


Number of Ounces in a Cup


Before you can determine what constitutes half of two-thirds of a cup, you need to know how many ounces are in the cup. The standard measuring cup conventionally used for recipes measures 8 ounces. 


Begin by calculating what’s two-thirds of 8 ounces. To do this, multiply 8 by 0.67 (the approximate decimal form of two-thirds). When you complete the calculation, you’ll learn that two-thirds of a cup is 5.36 ounces. Your next step is to divide this figure by two. Dividing two into 5.36 yields an answer of 2.68 ounces. 


Examining the Answer Using Fractions


If you don’t need to know the exact amount of the cup in ounces, you can think of the problem in terms of fractions. For example, when you take two-thirds of the cup, you’re dividing the cup into thirds. You’re then taking two of these thirds and dividing them into two. Since you’re dividing these two-thirds by two, this leaves you with one-third as your answer. 


Converting Ounces to Tablespoons


You can also look at half of two-thirds of a cup in terms of tablespoons. An ounce is equivalent to 2 tablespoons. This means that a standard cup has 16 tablespoons in it. To find this information, multiply two by eight. Two-thirds of 16 tablespoons is equal to 10.72 tablespoons. Divide 10.72 by 2 and you have 5.35 tablespoons. 


Converting Ounces to Teaspoons


Another way to look at a cup is in terms of teaspoons. There are 48 teaspoons in a cup. Two-thirds of these 48 teaspoons is 32. Calculate half of 32 by dividing it by two. Once you divide by two, you’ll see that half of two-thirds of a cup is equal to 16 teaspoons.


Converting Cups and Ounces to Milliliters


A milliliter is a metric unit of measurement used to measure the volume of a liquid. Although the metric system isn’t commonly used in the United States, it’s often used in lab settings. Some measuring cups also have metric measurements.


An 8-ounce cup is equivalent to 236.59 milliliters, and each ounce is equal to 29.57 milliliters. To determine how many milliliters are in two-thirds of a cup, multiply 236.59 by 0.67 to get 158.52 millimeters. This is the amount of milliliters in two-thirds of a cup. Then, divide this figure by two. Two-thirds of a cup is equal to 79.26 milliliters.