Conversion formula

The conversion factor from fluid ounces to cubic feet is 0.0010443793402773, which means that 1 fluid ounce is equal to 0.0010443793402773 cubic feet:

1 fl oz = 0.0010443793402773 ft3

To convert 688.4 fluid ounces into cubic feet we have to multiply 688.4 by the conversion factor in order to get the volume amount from fluid ounces to cubic feet. We can also form a simple proportion to calculate the result:

1 fl oz → 0.0010443793402773 ft3

688.4 fl oz → V_(ft3)

Solve the above proportion to obtain the volume V in cubic feet:

V_(ft3) = 688.4 fl oz × 0.0010443793402773 ft3

V_(ft3) = 0.71895073784693 ft3

The final result is:

688.4 fl oz → 0.71895073784693 ft3

We conclude that 688.4 fluid ounces is equivalent to 0.71895073784693 cubic feet:

688.4 fluid ounces = 0.71895073784693 cubic feet

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cubic foot is equal to 1.3909158824911 × 688.4 fluid ounces.

Another way is saying that 688.4 fluid ounces is equal to 1 ÷ 1.3909158824911 cubic feet.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that six hundred eighty-eight point four fluid ounces is approximately zero point seven one nine cubic feet:

688.4 fl oz ≅ 0.719 ft3

An alternative is also that one cubic foot is approximately one point three nine one times six hundred eighty-eight point four fluid ounces.

Conversion table

fluid ounces to cubic feet chart

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