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 421.5 cubic inches into quarts we have to multiply 421.5 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

421.5 in3 → V_(qt)

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

V_(qt) = 421.5 in3 × 0.017316017316055 qt

V_(qt) = 7.2987012987173 qt

The final result is:

421.5 in3 → 7.2987012987173 qt

We conclude that 421.5 cubic inches is equivalent to 7.2987012987173 quarts:

421.5 cubic inches = 7.2987012987173 quarts

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 quart is equal to 0.13701067615628 × 421.5 cubic inches.

Another way is saying that 421.5 cubic inches is equal to 1 ÷ 0.13701067615628 quarts.

Approximate result

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

421.5 in3 ≅ 7.299 qt

An alternative is also that one quart is approximately zero point one three seven times four hundred 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