Conversion formula

The conversion factor from cups to cubic feet is 0.0083550347222188, which means that 1 cup is equal to 0.0083550347222188 cubic feet:

1 cup = 0.0083550347222188 ft3

To convert 688 cups into cubic feet we have to multiply 688 by the conversion factor in order to get the volume amount from cups to cubic feet. We can also form a simple proportion to calculate the result:

1 cup → 0.0083550347222188 ft3

688 cup → V_(ft3)

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

V_(ft3) = 688 cup × 0.0083550347222188 ft3

V_(ft3) = 5.7482638888865 ft3

The final result is:

688 cup → 5.7482638888865 ft3

We conclude that 688 cups is equivalent to 5.7482638888865 cubic feet:

688 cups = 5.7482638888865 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 0.17396556931448 × 688 cups.

Another way is saying that 688 cups is equal to 1 ÷ 0.17396556931448 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 cups is approximately five point seven four eight cubic feet:

688 cup ≅ 5.748 ft3

An alternative is also that one cubic foot is approximately zero point one seven four times six hundred eighty-eight cups.

Conversion table

cups to cubic feet chart

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