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 642 cups into fluid ounces we have to multiply 642 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

642 cup → V_{(fl oz)}

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

V_{(fl oz)} = 642 cup × 8 fl oz

V_{(fl oz)} = 5136 fl oz

The final result is:

642 cup → 5136 fl oz

We conclude that 642 cups is equivalent to 5136 fluid ounces:

642 cups = 5136 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 0.00019470404984424 × 642 cups.

Another way is saying that 642 cups is equal to 1 ÷ 0.00019470404984424 fluid ounces.

Approximate result

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

642 cup ≅ 5136 fl oz

An alternative is also that one fluid ounce is approximately zero times six hundred forty-two 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