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 390 fluid ounces into cups we have to multiply 390 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

390 fl oz → V_(cup)

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

V_(cup) = 390 fl oz × 0.125 cup

V_(cup) = 48.75 cup

The final result is:

390 fl oz → 48.75 cup

We conclude that 390 fluid ounces is equivalent to 48.75 cups:

390 fluid ounces = 48.75 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 0.020512820512821 × 390 fluid ounces.

Another way is saying that 390 fluid ounces is equal to 1 ÷ 0.020512820512821 cups.

Approximate result

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

390 fl oz ≅ 48.75 cup

An alternative is also that one cup is approximately zero point zero two one times three hundred ninety 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