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 1980 fluid ounces into gallons we have to multiply 1980 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

1980 fl oz → V_(gal)

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

V_(gal) = 1980 fl oz × 0.0078125 gal

V_(gal) = 15.46875 gal

The final result is:

1980 fl oz → 15.46875 gal

We conclude that 1980 fluid ounces is equivalent to 15.46875 gallons:

1980 fluid ounces = 15.46875 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.064646464646465 × 1980 fluid ounces.

Another way is saying that 1980 fluid ounces is equal to 1 ÷ 0.064646464646465 gallons.

Approximate result

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

1980 fl oz ≅ 15.469 gal

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