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 15 cups into fluid ounces we have to multiply 15 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

15 cup → V_{(fl oz)}

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

V_{(fl oz)} = 15 cup × 8 fl oz

V_{(fl oz)} = 120 fl oz

The final result is:

15 cup → 120 fl oz

We conclude that 15 cups is equivalent to 120 fluid ounces:

15 cups = 120 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 0.0083333333333333 × 15 cups.

Another way is saying that 15 cups is equal to 1 ÷ 0.0083333333333333 fluid ounces.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that fifteen cups is approximately one hundred twenty fluid ounces:

15 cup ≅ 120 fl oz

An alternative is also that one fluid ounce is approximately zero point zero zero eight times fifteen 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