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 420 cups into cubic feet we have to multiply 420 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

420 cup → V_(ft3)

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

V_(ft3) = 420 cup × 0.0083550347222188 ft3

V_(ft3) = 3.5091145833319 ft3

The final result is:

420 cup → 3.5091145833319 ft3

We conclude that 420 cups is equivalent to 3.5091145833319 cubic feet:

420 cups = 3.5091145833319 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 0.28497217068657 × 420 cups.

Another way is saying that 420 cups is equal to 1 ÷ 0.28497217068657 cubic feet.

Approximate result

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

420 cup ≅ 3.509 ft3

An alternative is also that one cubic foot is approximately zero point two eight five times four hundred twenty 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