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 1280 fluid ounces into gallons we have to multiply 1280 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

1280 fl oz → V_(gal)

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

V_(gal) = 1280 fl oz × 0.0078125 gal

V_(gal) = 10 gal

The final result is:

1280 fl oz → 10 gal

We conclude that 1280 fluid ounces is equivalent to 10 gallons:

1280 fluid ounces = 10 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.1 × 1280 fluid ounces.

Another way is saying that 1280 fluid ounces is equal to 1 ÷ 0.1 gallons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one thousand two hundred eighty fluid ounces is approximately ten gallons:

1280 fl oz ≅ 10 gal

An alternative is also that one gallon is approximately zero point one times one thousand two hundred eighty 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