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Unit Converter

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 18 fluid ounces into cubic inches we have to multiply 18 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

18 fl oz → V(in3)

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

V(in3) = 18 fl oz × 1.804687499996 in3

V(in3) = 32.484374999929 in3

The final result is:

18 fl oz → 32.484374999929 in3

We conclude that 18 fluid ounces is equivalent to 32.484374999929 cubic inches:

18 fluid ounces = 32.484374999929 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 0.030784030784098 × 18 fluid ounces.

Another way is saying that 18 fluid ounces is equal to 1 ÷ 0.030784030784098 cubic inches.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that eighteen fluid ounces is approximately thirty-two point four eight four cubic inches:

18 fl oz ≅ 32.484 in3

An alternative is also that one cubic inch is approximately zero point zero three one times eighteen 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

fluid ounces (fl oz) cubic inches (in3)
19 fluid ounces 34.289 cubic inches
20 fluid ounces 36.094 cubic inches
21 fluid ounces 37.898 cubic inches
22 fluid ounces 39.703 cubic inches
23 fluid ounces 41.508 cubic inches
24 fluid ounces 43.312 cubic inches
25 fluid ounces 45.117 cubic inches
26 fluid ounces 46.922 cubic inches
27 fluid ounces 48.727 cubic inches
28 fluid ounces 50.531 cubic inches