Conversion formula

The conversion factor from cubic inches to fluid ounces is 0.55411255411377, which means that 1 cubic inch is equal to 0.55411255411377 fluid ounces:

1 in3 = 0.55411255411377 fl oz

To convert 691.3 cubic inches into fluid ounces we have to multiply 691.3 by the conversion factor in order to get the volume amount from cubic inches to fluid ounces. We can also form a simple proportion to calculate the result:

1 in3 → 0.55411255411377 fl oz

691.3 in3 → V_{(fl oz)}

Solve the above proportion to obtain the volume V in fluid ounces:

V_{(fl oz)} = 691.3 in3 × 0.55411255411377 fl oz

V_{(fl oz)} = 383.05800865885 fl oz

The final result is:

691.3 in3 → 383.05800865885 fl oz

We conclude that 691.3 cubic inches is equivalent to 383.05800865885 fluid ounces:

691.3 cubic inches = 383.05800865885 fluid ounces

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 fluid ounce is equal to 0.0026105706639607 × 691.3 cubic inches.

Another way is saying that 691.3 cubic inches is equal to 1 ÷ 0.0026105706639607 fluid ounces.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that six hundred ninety-one point three cubic inches is approximately three hundred eighty-three point zero five eight fluid ounces:

691.3 in3 ≅ 383.058 fl oz

An alternative is also that one fluid ounce is approximately zero point zero zero three times six hundred ninety-one point three cubic inches.

Conversion table

cubic inches to fluid ounces chart

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