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 83.1 fluid ounces into gallons we have to multiply 83.1 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

83.1 fl oz → V_(gal)

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

V_(gal) = 83.1 fl oz × 0.0078125 gal

V_(gal) = 0.64921875 gal

The final result is:

83.1 fl oz → 0.64921875 gal

We conclude that 83.1 fluid ounces is equivalent to 0.64921875 gallons:

83.1 fluid ounces = 0.64921875 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 1.5403128760529 × 83.1 fluid ounces.

Another way is saying that 83.1 fluid ounces is equal to 1 ÷ 1.5403128760529 gallons.

Approximate result

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

83.1 fl oz ≅ 0.649 gal

An alternative is also that one gallon is approximately one point five four times eighty-three point one 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