Conversion formula

The conversion factor from cups to fluid ounces is 8, which means that 1 cup is equal to 8 fluid ounces:

1 cup = 8 fl oz

To convert 1638 cups into fluid ounces we have to multiply 1638 by the conversion factor in order to get the volume amount from cups to fluid ounces. We can also form a simple proportion to calculate the result:

1 cup → 8 fl oz

1638 cup → V_{(fl oz)}

Solve the above proportion to obtain the volume V in fluid ounces:

V_{(fl oz)} = 1638 cup × 8 fl oz

V_{(fl oz)} = 13104 fl oz

The final result is:

1638 cup → 13104 fl oz

We conclude that 1638 cups is equivalent to 13104 fluid ounces:

1638 cups = 13104 fluid ounces

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 fluid ounce is equal to 7.6312576312576E-5 × 1638 cups.

Another way is saying that 1638 cups is equal to 1 ÷ 7.6312576312576E-5 fluid ounces.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one thousand six hundred thirty-eight cups is approximately thirteen thousand one hundred four fluid ounces:

1638 cup ≅ 13104 fl oz

An alternative is also that one fluid ounce is approximately zero times one thousand six hundred thirty-eight cups.

Conversion table

cups to fluid ounces chart

For quick reference purposes, below is the conversion table you can use to convert from cups to fluid ounces