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 1040 fluid ounces into gallons we have to multiply 1040 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

1040 fl oz → V_(gal)

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

V_(gal) = 1040 fl oz × 0.0078125 gal

V_(gal) = 8.125 gal

The final result is:

1040 fl oz → 8.125 gal

We conclude that 1040 fluid ounces is equivalent to 8.125 gallons:

1040 fluid ounces = 8.125 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.12307692307692 × 1040 fluid ounces.

Another way is saying that 1040 fluid ounces is equal to 1 ÷ 0.12307692307692 gallons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one thousand forty fluid ounces is approximately eight point one two five gallons:

1040 fl oz ≅ 8.125 gal

An alternative is also that one gallon is approximately zero point one two three times one thousand forty 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