We determine ounces in cups to know about the measurements of a cup. These measurements helps in weighing different things in cup and to know their volumes.
So, we are here to know;
how many ounces in 4 cups?
Answer: There are 32 fluid ounces in 4 number of cups. We got this answer by multiplying the number of cups with the number of fluid ounces in one cup.
Conversion Relation
How many ounces in a cup? How many ounces in different number of cups?
As we know, There are 8 ounces in 1 cup : 8 oz = Cup
So if we have to determine ounces in 4 cups, then,
8 oz = 1 cup
For four cups:
8 oz x 4 = 32 fl oz.
How many ounces in a quarter Cup?
Ounces in a quarter cup?
According to calculations, ounces in one cup are:
1 cup is equal to 8 ozs.
Ozs in a quarter of cup are:
1/4 of cup = 0.25 of cup
0.25 of cup x 8 oz = 2 ounces.
Hence, there are 2 ounces in a quarter cup.
Conversion table
Cups we have discussed below are of U.S standard size cups.
OUNCE  CUP 

8 oz  1 cup 
15.09 oz  2 cup 
32.02 oz  4 cup 
2  1/4 cup 
What is an Ounce?
Ounce is an parameter for measuring volumes of liquids. Fluid ounce is a unit of volume to determine quantities of liquids. A US fluid ounce is 1/16th of US fluid pint and 1/128th of US fluid gallon.
Symbol
The symbol of One ounce is oz. If we measure ounce in terms of liquid, then its
symbol is; fl oz
kinds of unit system:
There are two units in which ounces are measured:

Imperial unit system

U.S units system
How many oz are in a fl oz?
As we know the simple ounce and the fluid ounce is slight different and their measuring are little changed. So there are;
Ounces (Imperial)  Fluid Ounces (U.S.) 

1 fl oz  0.96076 oz 
2 fl oz  1.92152 oz 
3 fl oz  2.88228 oz 
4 fl oz  3.84304 oz 
Is a fluid ounce the same as an ounce?
Ounce which is denoted as oz is different from fluid ounce which is denoted as fl oz. Ounce in Imperials is used for dry measurements. On the other hands, fluid ounce is used to measure liquids.
What is a Cup?
A cup is an open containerused for cooking, pouring and drinking purposes. Cup are of many sizes but mostly on top there are two sizes of cups in international standards. These are: British cups and US cups.
What is a cup measurement?
As we are acknowledged about measurements of cups. So, there are 8 fluid ounces in 1 cup of US standard. If we measure in Imperial it is different from international terms. In case of Metric cup, it has slight different measurements. It contains 250 millimeters volume which is almost 8.5 fluid ounces per cup.
What is a cup in grams?
There are 128 grams in a full cup of US standard. This value id for liquid volumes. So, If you want to know about dry cups and its division and grams in it, then here it is;
Dry Goods
Cups  Grams  Ounces 

1/2 cup  64 g  2.27 oz 
2/3 cup  85 g  3.02 oz 
3/4 cup  96 g  3.40 oz 
1 cup  128 g  4.7 oz 
How many ounces in quarter cup?
We have knowledge that there are 8 fluid ounces in a cup. And there are 32 fluid ounces in 4 cups. So, we have to determine that How many ounces in a quarter cup?
The answer is that there are 2 fluid ounces in a quarter cup.
1 cup = 8 ounces
1/4 of cup = 0.25 of cups
0.25 x 8 fl oz = 2 fluid ounces
Why do Americans use cups?
American measure their products and liquids in terms of cup for standard measuring and to get accurate amount of the product. They have a convenient container which is cup to measure things and to used this parameter in cooking to remain the same quantity of salts in it.
Frequently Asked Question
How much does 1 fluid ounce weigh?
If we talk in terms of weight, we come to know that there are 128 grams in a full cup. So, if we talk about the weight of one fluid ounce, we came to know that there are 28.35 gram of weight of a fluid ounce.
Is ounces volume or weight?
Ounce is there to measure several comparing units like mass, volume, weight in Imperial and US customary units. Ounce is there to measure weighs force and fluid ounce is there to measure volume of liquids.
Does all liquid weigh the same?
No, all liquids weight are not same. As some liquids are water, some are colorings and some are oils. Liquids have different weights and some liquids are heavy than others. Oils are lighter and are less dense than water that’s why they came to the top of the bottle.
Conclusion
How many ounces in 4 cups? We measure those cups and also measure there divisions to know accurate amounts and to weigh their products. So, we concluded that there are 8 ounces in a cup and when we multiply these ounces with no. of cups , we got 32 ounces in 4 cups.