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 165 fluid ounces into gallons we have to multiply 165 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

165 fl oz → V_(gal)

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

V_(gal) = 165 fl oz × 0.0078125 gal

V_(gal) = 1.2890625 gal

The final result is:

165 fl oz → 1.2890625 gal

We conclude that 165 fluid ounces is equivalent to 1.2890625 gallons:

165 fluid ounces = 1.2890625 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.77575757575758 × 165 fluid ounces.

Another way is saying that 165 fluid ounces is equal to 1 ÷ 0.77575757575758 gallons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one hundred sixty-five fluid ounces is approximately one point two eight nine gallons:

165 fl oz ≅ 1.289 gal

An alternative is also that one gallon is approximately zero point seven seven six times one hundred sixty-five 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