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 639 fluid ounces into cubic feet we have to multiply 639 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

639 fl oz → V_(ft3)

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

V_(ft3) = 639 fl oz × 0.0010443793402773 ft3

V_(ft3) = 0.66735839843722 ft3

The final result is:

639 fl oz → 0.66735839843722 ft3

We conclude that 639 fluid ounces is equivalent to 0.66735839843722 cubic feet:

639 fluid ounces = 0.66735839843722 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 1.4984452167557 × 639 fluid ounces.

Another way is saying that 639 fluid ounces is equal to 1 ÷ 1.4984452167557 cubic feet.

Approximate result

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

639 fl oz ≅ 0.667 ft3

An alternative is also that one cubic foot is approximately one point four nine eight times six hundred thirty-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