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 40 cubic inches into cups we have to multiply 40 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

40 in3 → V_(cup)

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

V_(cup) = 40 in3 × 0.069264069264221 cup

V_(cup) = 2.7705627705688 cup

The final result is:

40 in3 → 2.7705627705688 cup

We conclude that 40 cubic inches is equivalent to 2.7705627705688 cups:

40 cubic inches = 2.7705627705688 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 0.36093749999921 × 40 cubic inches.

Another way is saying that 40 cubic inches is equal to 1 ÷ 0.36093749999921 cups.

Approximate result

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

40 in3 ≅ 2.771 cup

An alternative is also that one cup is approximately zero point three six one times forty 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