# How Many Cups Is 64 Oz?

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You may have heard the term 64 oz used to describe the amount of a certain product, but do you know exactly how many cups that is? And what are cups anyway? Cups are one of the most common units of volume used in everyday life. As you may or may not know, however, there are multiple different types of cups, each with slightly different capacities.

This article will explain the differences between these types of cups and answer the question, “how many cups is 64 oz?”

## The US Customary Units of Measurement

The US customary system of measurement units is largely based on the old English System. Dating back to 450 A.D., the Anglo-Saxon era, the English system of measurements uses units in this period were inch, which measures three barleycorns, and several units of the foot measuring 12 or 13 inches. During the Norman invasion around 1066 A.D, invaders added more units to the English system by using a unit like a rod and a furlong.

The English system reached America via the colonists who first settled here. Although the country gained independence in the 18th century, this system of measures persisted for many years due to further influences from Holland, Spain, and France. These factors contributed to some confusion among the settlers regarding measurement units as they varied between states.

After gaining independence, the United States standardized weight units and measurements. This marked the beginnings of the US customary units of measurement. In 1821, then US Secretary of State John Quincy Adams examined the weights and measures used in 22 states, and he concluded that they were similar enough, so it didn’t require any changes or adjustments.

Read more: How Many Oz in a Half Gallon?

## The US Customary Units vs. the British Imperial System

Although the US customary and imperial systems are very similar in terms of length, area, and weight, they differ greatly in volume measurements. Here is a comparison of both systems:

• 1 US fl oz = 29.573 ml
• 1 imperial fl oz = 28.412 ml
• 1 US pint = 473.176 ml
• 1 imperial pint = 568.261 ml
• 1 US quart = 946.353 ml
• 1 imperial quart = 1,130.52 ml
• 1 US gallon = 3,785.41 ml
• 1 imperial gallon = 4,546.09 ml

Fluid ounce in the US customary system is more liquid than in the UK imperial system.

## What Is Fluid Ounce?

A fluid ounce is a unit of volume equal to approximately 29.57 milliliters in the US, and about 28.41 milliliters in the UK. The term “fluid” refers to the fact that you can measure the ounce by volume instead of mass as in the case of the most common units of weight.

Source: iStock

## What Is Cup?

A cup isn’t just a cup. You see, the term “cup” can refer to quite a few things. For example, you might say: “I’m going to get 200 cups of sugar for this recipe.” I guess that then means you’ll want about 1/4 of a gallon of sugar?

Source: iStock

A cup is a traditional unit of measurement for liquids. People often called measuring cups a cup, kitchen cup, or by a number such as “pint glass” or “cup measure”, with some ounces per cup, from one to eight. People may use standard measurement cups instead of actual drinking cups since the sizes of these units might differ substantially. One cup is a measuring cup – ½ pint (236.5882365 milliliters). In terms of metric, there are 437.59 milliliters in 1 cup”.

## How Many Cups Is 64 Oz?

To convert a measurement from fluid ounces into cups, multiply the number of fluid ounces by the conversion factor. This will give you an answer in cups.

For example, say that you want to figure out how many cups there are to 64 fluid ounces. If we dial up 0.125 and multiply it with 64 fl oz underneath, we will get how many cups:

• 64 Fluid Ounces x 0.125 = 8 Cups
• As a result, 64 Fluid Ounces equals 8 cups.

## How Many 1/4 Cups Are In A Cup?

When you separate a cup into quarters, you’ve divided it into four equal portions. Quarter cups are another name for these equal pieces.

A typical cup holds 8 fluid ounces, comparable to three of these four equal parts if you have three-quarters of the cup.

## A Quarter Cup Equals How Many Tablespoons?

The one-quarter cup includes 4 tablespoons, and every tablespoon contains 3 teaspoons; hence, a quarter cup contains 12 teaspoons. 2 fluid ounces is the same as a quarter cup.

## How To Convert From Fluid Ounces To Cups?

Using our online calculator above, it’s quite simple to instantly convert fluid ounces to cups. The formula is to multiply the number of ounces with the conversion factor.

How many Fluid Ounces are in Cups? Multiply by 0.125 or convert 64 Fluid Ounces to Cups instantly! In this situation, the result is 8 cups.

## Which One Is Larger, A Fluid Ounces Or A Cup?

People often abbreviate ounces by symbols oz, fl. oz., or fl oz. For example, 1 fl oz, 1 oz.fl, or 1 fl.oz. can all be used to refer to a fluid ounce. Since a fluid ounce is the same as a fluid dram, many people simply call it an “ounce.” A cup is a measure of volume, which equals 8 fluid ounces or 16 tablespoons.