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 400 cubic inches into cups we have to multiply 400 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

400 in3 → V_(cup)

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

V_(cup) = 400 in3 × 0.069264069264221 cup

V_(cup) = 27.705627705688 cup

The final result is:

400 in3 → 27.705627705688 cup

We conclude that 400 cubic inches is equivalent to 27.705627705688 cups:

400 cubic inches = 27.705627705688 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 0.036093749999921 × 400 cubic inches.

Another way is saying that 400 cubic inches is equal to 1 ÷ 0.036093749999921 cups.

Approximate result

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

400 in3 ≅ 27.706 cup

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