How Many Ounces in a Cup?

The United States is one of the very few countries where the Imperial system of measurements is still used. The ounce is one such Imperial measurement. No wonder people from other countries using the metric system get into a tangle converting it to their system! Ounces are frequently used while cooking. So no wonder, we have to then start wondering how many ounces are in a cup!

How Many Ounces in a Cup?

Quick Answer
How Many Ounces are in a Cup? 1 cup = 8 Ounces (fl. oz.)

Basic Idea about Ounces and Cups

One must first note that the measurements of ounces and of cups are very different. Dry ounces and wet ounces are also very different. We have three different tools for measuring duty and wet ingredients for a recipe let us find what they are:

Granulated measuring cup

This is used for mainly measuring the dry flour, etc. Flour first needs to be sifted before measuring. They are already sifted before packaging but while shipped they settle down. Shake off the measuring cup for settling the flour.

Liquid measuring cups

these cups are useful for measuring both liquids as well as solid substances. They are either made of plastic or glass. It helps to measure with milliliters, ounces, or cups.

Measuring spoon

Measuring spoons are a useful method of taking into account the number of ingredients required.

Also read: How Much Does a Quarter Weigh?

What is an Ounce?

We define an ounce as the smallest unit of measurement of mass, volume, and weight. It is used in the American Imperial System. Symbolized by ‘oz’ this is derived from the Spanish word Onza.

There are two types of ounces, dry ounces, and liquid ounces.

Dry Ounce

A dry ounce is a small unit of measurement of weight and it is used for estimating the amount of butter, seeds, yogurt, and so on.

Wet Ounce

A wet ounce is a measuring unit that we take into consideration when we are measuring the volume of liquids like milk, water, cooking oil, etc.

How to find the number of ounces in a cup?

When you wish to convert from ounces to cups or wish to see the number of ounces in a cup then you have to see the following steps:

  • There are eight ounces in a cup.
  • Hence when an ounce is a smaller unit and the cup is a greater unit.
  • In the metric system when one is converting a unit from small to big one needs to divide while when the conversion is from big to small we multiply.
  • If you are willing to find the number of ounces in a cup, multiply the number of cups by 8.
  • For example, 6 cups = 6×8= 48 ounces.
  • On the other hand, when you are converting ounces to cups then, you have to divide the value in ounces by 8.
  • For example, 56 ounces = 56÷8=7 cups.

Also read: How Much Do 100 Pennies Weigh?

Dry Weight and Ounces

Dry weight and ounces have the following relationship that you must take into note.

½ ounce = 15 grams

1 ounce = 30 grams

2 ounces = 60 grams

3 ounces = 85 grams

4 ounces = ¼ pound = 115 grams

8 ounces = ½ pound = 225 grams

12 ounces = ¾ pound = 340 grams

16 ounces = 1 pound =455 grams

Ounces in a cup
Ounces in a cup

How many cups are there in ounces?

Now, let us have a look at how many cups are there in an ounce and determine their relationship.

1 cup = 8 fl. oz.
¾ cup = 6 fl. oz.
½ cup = 4 fl. oz.
¼ cup = 2 fl. oz.

How many Ounces equal a cup?

It depends on whether we are measuring dry weight or liquid weight! We can cite the simple example that a cup of dry flour is 4.5 oz whereas the cup of liquid is equal to 8 fl. oz.

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Frequently Asked Questions

Do two tablespoons equal one ounce?

Yes, it is right, that two tablespoons are equivalent to one ounce.
(2 tablespoons = 1 fluid ounce = ⅛ cup = 6 teaspoons = 30 mL, 30 ccs)

How many ounces are there in a shot?

There are two tablespoons in a one-ounce shot. So if you have a cocktail party at home and you do not have a shot glass around then all you need are two tablespoons of alcohol that does the job for you.

Give examples of other units of cups.

When you are converting cups to other units, other than ounces there are several other units of convenience into which you can convert cups to:
For example,
1 Cup = 0.063 US gallons
1 Cup = 0.253 US quarts
1 Cup = 0.24 Liters

Butter and Coconut Oil

Butter is measured in half-cup sticks and with a tablespoon which is the standard amount that is added to a recipe of a cake that you are baking. If the packaging is made in the USA it shows measurements like ½, ¼, and tablespoon marks. A liquid measuring cup is used for measuring the coconut oil.


By cups, we mean the drinking cups which are used as a unit of measurement. However, around the world, the size and shape of cups vary greatly. Hence it was decided that the size of the cups will be fixed to 8 ounces or 16 tablespoons. So when we say a cup we mean to say 8 ounces of that substance or 16 tablespoons.

The concept of cups is prevalent in the USA where the Imperial system of measurement is most commonly used.

A metric cup is equivalent to 250 milliliters and it is observed that the American cup is equivalent to 12 Australian tablespoons.

Ounce can be used for both the measurement of mass as well as volume and hence it is denoted by the dry ounce and wet ounce around the world.

Also read: Convert 1000 ML to Cups