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 12.8 cubic inches into cups we have to multiply 12.8 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

12.8 in3 → V_(cup)

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

V_(cup) = 12.8 in3 × 0.069264069264221 cup

V_(cup) = 0.88658008658203 cup

The final result is:

12.8 in3 → 0.88658008658203 cup

We conclude that 12.8 cubic inches is equivalent to 0.88658008658203 cups:

12.8 cubic inches = 0.88658008658203 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 1.1279296874975 × 12.8 cubic inches.

Another way is saying that 12.8 cubic inches is equal to 1 ÷ 1.1279296874975 cups.

Approximate result

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

12.8 in3 ≅ 0.887 cup

An alternative is also that one cup is approximately one point one two eight times twelve point eight 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