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 420 fluid ounces into cubic inches we have to multiply 420 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

420 fl oz → V_(in3)

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

V_(in3) = 420 fl oz × 1.804687499996 in3

V_(in3) = 757.96874999834 in3

The final result is:

420 fl oz → 757.96874999834 in3

We conclude that 420 fluid ounces is equivalent to 757.96874999834 cubic inches:

420 fluid ounces = 757.96874999834 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 0.0013193156050328 × 420 fluid ounces.

Another way is saying that 420 fluid ounces is equal to 1 ÷ 0.0013193156050328 cubic inches.

Approximate result

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

420 fl oz ≅ 757.969 in3

An alternative is also that one cubic inch is approximately zero point zero zero one times four hundred twenty 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