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 500 fluid ounces into gallons we have to multiply 500 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

500 fl oz → V_(gal)

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

V_(gal) = 500 fl oz × 0.0078125 gal

V_(gal) = 3.90625 gal

The final result is:

500 fl oz → 3.90625 gal

We conclude that 500 fluid ounces is equivalent to 3.90625 gallons:

500 fluid ounces = 3.90625 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.256 × 500 fluid ounces.

Another way is saying that 500 fluid ounces is equal to 1 ÷ 0.256 gallons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that five hundred fluid ounces is approximately three point nine zero six gallons:

500 fl oz ≅ 3.906 gal

An alternative is also that one gallon is approximately zero point two five six times five hundred 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