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 729 cubic inches into cups we have to multiply 729 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

729 in3 → V_(cup)

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

V_(cup) = 729 in3 × 0.069264069264221 cup

V_(cup) = 50.493506493617 cup

The final result is:

729 in3 → 50.493506493617 cup

We conclude that 729 cubic inches is equivalent to 50.493506493617 cups:

729 cubic inches = 50.493506493617 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 0.019804526748928 × 729 cubic inches.

Another way is saying that 729 cubic inches is equal to 1 ÷ 0.019804526748928 cups.

Approximate result

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

729 in3 ≅ 50.494 cup

An alternative is also that one cup is approximately zero point zero two times seven hundred twenty-nine 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