Conversion formula

The conversion factor from cubic inches to cups is 0.069264069264221, which means that 1 cubic inch is equal to 0.069264069264221 cups:

1 in3 = 0.069264069264221 cup

To convert 8.1 cubic inches into cups we have to multiply 8.1 by the conversion factor in order to get the volume amount from cubic inches to cups. We can also form a simple proportion to calculate the result:

1 in3 → 0.069264069264221 cup

8.1 in3 → V_(cup)

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

V_(cup) = 8.1 in3 × 0.069264069264221 cup

V_(cup) = 0.56103896104019 cup

The final result is:

8.1 in3 → 0.56103896104019 cup

We conclude that 8.1 cubic inches is equivalent to 0.56103896104019 cups:

8.1 cubic inches = 0.56103896104019 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 1.7824074074035 × 8.1 cubic inches.

Another way is saying that 8.1 cubic inches is equal to 1 ÷ 1.7824074074035 cups.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that eight point one cubic inches is approximately zero point five six one cups:

8.1 in3 ≅ 0.561 cup

An alternative is also that one cup is approximately one point seven eight two times eight point one cubic inches.

Conversion table

cubic inches to cups chart

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