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 84 fluid ounces into gallons we have to multiply 84 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

84 fl oz → V_(gal)

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

V_(gal) = 84 fl oz × 0.0078125 gal

V_(gal) = 0.65625 gal

The final result is:

84 fl oz → 0.65625 gal

We conclude that 84 fluid ounces is equivalent to 0.65625 gallons:

84 fluid ounces = 0.65625 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 1.5238095238095 × 84 fluid ounces.

Another way is saying that 84 fluid ounces is equal to 1 ÷ 1.5238095238095 gallons.

Approximate result

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

84 fl oz ≅ 0.656 gal

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