Conversion formula

The conversion factor from quarts to cubic feet is 0.033420138888875, which means that 1 quart is equal to 0.033420138888875 cubic feet:

1 qt = 0.033420138888875 ft3

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

1 qt → 0.033420138888875 ft3

21 qt → V_(ft3)

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

V_(ft3) = 21 qt × 0.033420138888875 ft3

V_(ft3) = 0.70182291666638 ft3

The final result is:

21 qt → 0.70182291666638 ft3

We conclude that 21 quarts is equivalent to 0.70182291666638 cubic feet:

21 quarts = 0.70182291666638 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 1.4248608534329 × 21 quarts.

Another way is saying that 21 quarts is equal to 1 ÷ 1.4248608534329 cubic feet.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that twenty-one quarts is approximately zero point seven zero two cubic feet:

21 qt ≅ 0.702 ft3

An alternative is also that one cubic foot is approximately one point four two five times twenty-one quarts.

Conversion table

quarts to cubic feet chart

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