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 638 cups into cubic feet we have to multiply 638 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

638 cup → V_(ft3)

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

V_(ft3) = 638 cup × 0.0083550347222188 ft3

V_(ft3) = 5.3305121527756 ft3

The final result is:

638 cup → 5.3305121527756 ft3

We conclude that 638 cups is equivalent to 5.3305121527756 cubic feet:

638 cups = 5.3305121527756 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 0.18759923462126 × 638 cups.

Another way is saying that 638 cups is equal to 1 ÷ 0.18759923462126 cubic feet.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that six hundred thirty-eight cups is approximately five point three three one cubic feet:

638 cup ≅ 5.331 ft3

An alternative is also that one cubic foot is approximately zero point one eight eight times six hundred thirty-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