Conversion formula

The conversion factor from cubic inches to quarts is 0.017316017316055, which means that 1 cubic inch is equal to 0.017316017316055 quarts:

1 in3 = 0.017316017316055 qt

To convert 21.5 cubic inches into quarts we have to multiply 21.5 by the conversion factor in order to get the volume amount from cubic inches to quarts. We can also form a simple proportion to calculate the result:

1 in3 → 0.017316017316055 qt

21.5 in3 → V_(qt)

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

V_(qt) = 21.5 in3 × 0.017316017316055 qt

V_(qt) = 0.37229437229519 qt

The final result is:

21.5 in3 → 0.37229437229519 qt

We conclude that 21.5 cubic inches is equivalent to 0.37229437229519 quarts:

21.5 cubic inches = 0.37229437229519 quarts

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 quart is equal to 2.686046511622 × 21.5 cubic inches.

Another way is saying that 21.5 cubic inches is equal to 1 ÷ 2.686046511622 quarts.

Approximate result

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

21.5 in3 ≅ 0.372 qt

An alternative is also that one quart is approximately two point six eight six times twenty-one point five cubic inches.

Conversion table

cubic inches to quarts chart

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