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 8420 fluid ounces into gallons we have to multiply 8420 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

8420 fl oz → V_(gal)

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

V_(gal) = 8420 fl oz × 0.0078125 gal

V_(gal) = 65.78125 gal

The final result is:

8420 fl oz → 65.78125 gal

We conclude that 8420 fluid ounces is equivalent to 65.78125 gallons:

8420 fluid ounces = 65.78125 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.01520190023753 × 8420 fluid ounces.

Another way is saying that 8420 fluid ounces is equal to 1 ÷ 0.01520190023753 gallons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that eight thousand four hundred twenty fluid ounces is approximately sixty-five point seven eight one gallons:

8420 fl oz ≅ 65.781 gal

An alternative is also that one gallon is approximately zero point zero one five times eight thousand four hundred twenty 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