Conversion formula

The conversion factor from fluid ounces to gallons is 0.0078125, which means that 1 fluid ounce is equal to 0.0078125 gallons:

1 fl oz = 0.0078125 gal

To convert 256 fluid ounces into gallons we have to multiply 256 by the conversion factor in order to get the volume amount from fluid ounces to gallons. We can also form a simple proportion to calculate the result:

1 fl oz → 0.0078125 gal

256 fl oz → V_(gal)

Solve the above proportion to obtain the volume V in gallons:

V_(gal) = 256 fl oz × 0.0078125 gal

V_(gal) = 2 gal

The final result is:

256 fl oz → 2 gal

We conclude that 256 fluid ounces is equivalent to 2 gallons:

256 fluid ounces = 2 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.5 × 256 fluid ounces.

Another way is saying that 256 fluid ounces is equal to 1 ÷ 0.5 gallons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that two hundred fifty-six fluid ounces is approximately two gallons:

256 fl oz ≅ 2 gal

An alternative is also that one gallon is approximately zero point five times two hundred fifty-six fluid ounces.

Conversion table

fluid ounces to gallons chart

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