Conversion formula

The conversion factor from fluid ounces to cubic inches is 1.804687499996, which means that 1 fluid ounce is equal to 1.804687499996 cubic inches:

1 fl oz = 1.804687499996 in3

To convert 721 fluid ounces into cubic inches we have to multiply 721 by the conversion factor in order to get the volume amount from fluid ounces to cubic inches. We can also form a simple proportion to calculate the result:

1 fl oz → 1.804687499996 in3

721 fl oz → V_(in3)

Solve the above proportion to obtain the volume V in cubic inches:

V_(in3) = 721 fl oz × 1.804687499996 in3

V_(in3) = 1301.1796874971 in3

The final result is:

721 fl oz → 1301.1796874971 in3

We conclude that 721 fluid ounces is equivalent to 1301.1796874971 cubic inches:

721 fluid ounces = 1301.1796874971 cubic inches

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cubic inch is equal to 0.00076853336215502 × 721 fluid ounces.

Another way is saying that 721 fluid ounces is equal to 1 ÷ 0.00076853336215502 cubic inches.

Approximate result

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

721 fl oz ≅ 1301.18 in3

An alternative is also that one cubic inch is approximately zero point zero zero one times seven hundred twenty-one fluid ounces.

Conversion table

fluid ounces to cubic inches chart

For quick reference purposes, below is the conversion table you can use to convert from fluid ounces to cubic inches