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 691 fluid ounces into gallons we have to multiply 691 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

691 fl oz → V_(gal)

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

V_(gal) = 691 fl oz × 0.0078125 gal

V_(gal) = 5.3984375 gal

The final result is:

691 fl oz → 5.3984375 gal

We conclude that 691 fluid ounces is equivalent to 5.3984375 gallons:

691 fluid ounces = 5.3984375 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.18523878437048 × 691 fluid ounces.

Another way is saying that 691 fluid ounces is equal to 1 ÷ 0.18523878437048 gallons.

Approximate result

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

691 fl oz ≅ 5.398 gal

An alternative is also that one gallon is approximately zero point one eight five times six hundred ninety-one 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