Conversion formula

The conversion factor from fluid ounces to cubic feet is 0.0010443793402773, which means that 1 fluid ounce is equal to 0.0010443793402773 cubic feet:

1 fl oz = 0.0010443793402773 ft3

To convert 3.9 fluid ounces into cubic feet we have to multiply 3.9 by the conversion factor in order to get the volume amount from fluid ounces to cubic feet. We can also form a simple proportion to calculate the result:

1 fl oz → 0.0010443793402773 ft3

3.9 fl oz → V_(ft3)

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

V_(ft3) = 3.9 fl oz × 0.0010443793402773 ft3

V_(ft3) = 0.0040730794270817 ft3

The final result is:

3.9 fl oz → 0.0040730794270817 ft3

We conclude that 3.9 fluid ounces is equivalent to 0.0040730794270817 cubic feet:

3.9 fluid ounces = 0.0040730794270817 cubic feet

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cubic foot is equal to 245.51448551459 × 3.9 fluid ounces.

Another way is saying that 3.9 fluid ounces is equal to 1 ÷ 245.51448551459 cubic feet.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that three point nine fluid ounces is approximately zero point zero zero four cubic feet:

3.9 fl oz ≅ 0.004 ft3

An alternative is also that one cubic foot is approximately two hundred forty-five point five one four times three point nine fluid ounces.

Conversion table

fluid ounces to cubic feet chart

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