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 81 cubic inches into quarts we have to multiply 81 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

81 in3 → V_(qt)

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

V_(qt) = 81 in3 × 0.017316017316055 qt

V_(qt) = 1.4025974026005 qt

The final result is:

81 in3 → 1.4025974026005 qt

We conclude that 81 cubic inches is equivalent to 1.4025974026005 quarts:

81 cubic inches = 1.4025974026005 quarts

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 quart is equal to 0.7129629629614 × 81 cubic inches.

Another way is saying that 81 cubic inches is equal to 1 ÷ 0.7129629629614 quarts.

Approximate result

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

81 in3 ≅ 1.403 qt

An alternative is also that one quart is approximately zero point seven one three times eighty-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