Conversion formula

The conversion factor from cubic feet to cups is 119.68831168836, which means that 1 cubic foot is equal to 119.68831168836 cups:

1 ft3 = 119.68831168836 cup

To convert 21 cubic feet into cups we have to multiply 21 by the conversion factor in order to get the volume amount from cubic feet to cups. We can also form a simple proportion to calculate the result:

1 ft3 → 119.68831168836 cup

21 ft3 → V_(cup)

Solve the above proportion to obtain the volume V in cups:

V_(cup) = 21 ft3 × 119.68831168836 cup

V_(cup) = 2513.4545454556 cup

The final result is:

21 ft3 → 2513.4545454556 cup

We conclude that 21 cubic feet is equivalent to 2513.4545454556 cups:

21 cubic feet = 2513.4545454556 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 0.00039785879629613 × 21 cubic feet.

Another way is saying that 21 cubic feet is equal to 1 ÷ 0.00039785879629613 cups.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that twenty-one cubic feet is approximately two thousand five hundred thirteen point four five five cups:

21 ft3 ≅ 2513.455 cup

An alternative is also that one cup is approximately zero times twenty-one cubic feet.

Conversion table

cubic feet to cups chart

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