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 688.5 cups into cubic feet we have to multiply 688.5 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

688.5 cup → V_(ft3)

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

V_(ft3) = 688.5 cup × 0.0083550347222188 ft3

V_(ft3) = 5.7524414062476 ft3

The final result is:

688.5 cup → 5.7524414062476 ft3

We conclude that 688.5 cups is equivalent to 5.7524414062476 cubic feet:

688.5 cups = 5.7524414062476 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 0.17383923266283 × 688.5 cups.

Another way is saying that 688.5 cups is equal to 1 ÷ 0.17383923266283 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 five cups is approximately five point seven five two cubic feet:

688.5 cup ≅ 5.752 ft3

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