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 178 fluid ounces into gallons we have to multiply 178 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

178 fl oz → V_(gal)

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

V_(gal) = 178 fl oz × 0.0078125 gal

V_(gal) = 1.390625 gal

The final result is:

178 fl oz → 1.390625 gal

We conclude that 178 fluid ounces is equivalent to 1.390625 gallons:

178 fluid ounces = 1.390625 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.71910112359551 × 178 fluid ounces.

Another way is saying that 178 fluid ounces is equal to 1 ÷ 0.71910112359551 gallons.

Approximate result

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

178 fl oz ≅ 1.391 gal

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