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 421 cups into fluid ounces we have to multiply 421 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

421 cup → V_{(fl oz)}

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

V_{(fl oz)} = 421 cup × 8 fl oz

V_{(fl oz)} = 3368 fl oz

The final result is:

421 cup → 3368 fl oz

We conclude that 421 cups is equivalent to 3368 fluid ounces:

421 cups = 3368 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 0.00029691211401425 × 421 cups.

Another way is saying that 421 cups is equal to 1 ÷ 0.00029691211401425 fluid ounces.

Approximate result

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

421 cup ≅ 3368 fl oz

An alternative is also that one fluid ounce is approximately zero times four hundred twenty-one 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