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 309 cups into cubic feet we have to multiply 309 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

309 cup → V_(ft3)

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

V_(ft3) = 309 cup × 0.0083550347222188 ft3

V_(ft3) = 2.5817057291656 ft3

The final result is:

309 cup → 2.5817057291656 ft3

We conclude that 309 cups is equivalent to 2.5817057291656 cubic feet:

309 cups = 2.5817057291656 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 0.38734081452544 × 309 cups.

Another way is saying that 309 cups is equal to 1 ÷ 0.38734081452544 cubic feet.

Approximate result

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

309 cup ≅ 2.582 ft3

An alternative is also that one cubic foot is approximately zero point three eight seven times three hundred nine 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