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 678 fluid ounces into gallons we have to multiply 678 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

678 fl oz → V_(gal)

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

V_(gal) = 678 fl oz × 0.0078125 gal

V_(gal) = 5.296875 gal

The final result is:

678 fl oz → 5.296875 gal

We conclude that 678 fluid ounces is equivalent to 5.296875 gallons:

678 fluid ounces = 5.296875 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.18879056047198 × 678 fluid ounces.

Another way is saying that 678 fluid ounces is equal to 1 ÷ 0.18879056047198 gallons.

Approximate result

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

678 fl oz ≅ 5.297 gal

An alternative is also that one gallon is approximately zero point one eight nine times six 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