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 688 cubic inches into cups we have to multiply 688 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

688 in3 → V_(cup)

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

V_(cup) = 688 in3 × 0.069264069264221 cup

V_(cup) = 47.653679653784 cup

The final result is:

688 in3 → 47.653679653784 cup

We conclude that 688 cubic inches is equivalent to 47.653679653784 cups:

688 cubic inches = 47.653679653784 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 0.020984738372047 × 688 cubic inches.

Another way is saying that 688 cubic inches is equal to 1 ÷ 0.020984738372047 cups.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that six hundred eighty-eight cubic inches is approximately forty-seven point six five four cups:

688 in3 ≅ 47.654 cup

An alternative is also that one cup is approximately zero point zero two one times six hundred eighty-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