Conversion formula

The conversion factor from fluid ounces to cups is 0.125, which means that 1 fluid ounce is equal to 0.125 cups:

1 fl oz = 0.125 cup

To convert 399 fluid ounces into cups we have to multiply 399 by the conversion factor in order to get the volume amount from fluid ounces to cups. We can also form a simple proportion to calculate the result:

1 fl oz → 0.125 cup

399 fl oz → V_(cup)

Solve the above proportion to obtain the volume V in cups:

V_(cup) = 399 fl oz × 0.125 cup

V_(cup) = 49.875 cup

The final result is:

399 fl oz → 49.875 cup

We conclude that 399 fluid ounces is equivalent to 49.875 cups:

399 fluid ounces = 49.875 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 0.020050125313283 × 399 fluid ounces.

Another way is saying that 399 fluid ounces is equal to 1 ÷ 0.020050125313283 cups.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that three hundred ninety-nine fluid ounces is approximately forty-nine point eight seven five cups:

399 fl oz ≅ 49.875 cup

An alternative is also that one cup is approximately zero point zero two times three hundred ninety-nine fluid ounces.

Conversion table

fluid ounces to cups chart

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