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 40 fluid ounces into cubic feet we have to multiply 40 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

40 fl oz → V_(ft3)

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

V_(ft3) = 40 fl oz × 0.0010443793402773 ft3

V_(ft3) = 0.041775173611094 ft3

The final result is:

40 fl oz → 0.041775173611094 ft3

We conclude that 40 fluid ounces is equivalent to 0.041775173611094 cubic feet:

40 fluid ounces = 0.041775173611094 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 23.937662337672 × 40 fluid ounces.

Another way is saying that 40 fluid ounces is equal to 1 ÷ 23.937662337672 cubic feet.

Approximate result

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

40 fl oz ≅ 0.042 ft3

An alternative is also that one cubic foot is approximately twenty-three point nine three eight times forty 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