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 180.9 fluid ounces into gallons we have to multiply 180.9 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

180.9 fl oz → V_(gal)

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

V_(gal) = 180.9 fl oz × 0.0078125 gal

V_(gal) = 1.41328125 gal

The final result is:

180.9 fl oz → 1.41328125 gal

We conclude that 180.9 fluid ounces is equivalent to 1.41328125 gallons:

180.9 fluid ounces = 1.41328125 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.70757324488668 × 180.9 fluid ounces.

Another way is saying that 180.9 fluid ounces is equal to 1 ÷ 0.70757324488668 gallons.

Approximate result

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

180.9 fl oz ≅ 1.413 gal

An alternative is also that one gallon is approximately zero point seven zero eight times one hundred eighty point nine 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