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 cubic inches into quarts we have to multiply 21 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 in3 → V_(qt)

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

V_(qt) = 21 in3 × 0.017316017316055 qt

V_(qt) = 0.36363636363716 qt

The final result is:

21 in3 → 0.36363636363716 qt

We conclude that 21 cubic inches is equivalent to 0.36363636363716 quarts:

21 cubic inches = 0.36363636363716 quarts

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 quart is equal to 2.749999999994 × 21 cubic inches.

Another way is saying that 21 cubic inches is equal to 1 ÷ 2.749999999994 quarts.

Approximate result

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

21 in3 ≅ 0.364 qt

An alternative is also that one quart is approximately two point seven five times twenty-one 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