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 28.7 cubic inches into cups we have to multiply 28.7 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

28.7 in3 → V_(cup)

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

V_(cup) = 28.7 in3 × 0.069264069264221 cup

V_(cup) = 1.9878787878831 cup

The final result is:

28.7 in3 → 1.9878787878831 cup

We conclude that 28.7 cubic inches is equivalent to 1.9878787878831 cups:

28.7 cubic inches = 1.9878787878831 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 0.5030487804867 × 28.7 cubic inches.

Another way is saying that 28.7 cubic inches is equal to 1 ÷ 0.5030487804867 cups.

Approximate result

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

28.7 in3 ≅ 1.988 cup

An alternative is also that one cup is approximately zero point five zero three times twenty-eight point seven 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