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 7.8 cubic inches into fluid ounces we have to multiply 7.8 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

7.8 in3 → V_{(fl oz)}

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

V_{(fl oz)} = 7.8 in3 × 0.55411255411377 fl oz

V_{(fl oz)} = 4.3220779220874 fl oz

The final result is:

7.8 in3 → 4.3220779220874 fl oz

We conclude that 7.8 cubic inches is equivalent to 4.3220779220874 fluid ounces:

7.8 cubic inches = 4.3220779220874 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 0.23137019230719 × 7.8 cubic inches.

Another way is saying that 7.8 cubic inches is equal to 1 ÷ 0.23137019230719 fluid ounces.

Approximate result

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

7.8 in3 ≅ 4.322 fl oz

An alternative is also that one fluid ounce is approximately zero point two three one times seven point eight 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