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 428 fluid ounces into gallons we have to multiply 428 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

428 fl oz → V_(gal)

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

V_(gal) = 428 fl oz × 0.0078125 gal

V_(gal) = 3.34375 gal

The final result is:

428 fl oz → 3.34375 gal

We conclude that 428 fluid ounces is equivalent to 3.34375 gallons:

428 fluid ounces = 3.34375 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.29906542056075 × 428 fluid ounces.

Another way is saying that 428 fluid ounces is equal to 1 ÷ 0.29906542056075 gallons.

Approximate result

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

428 fl oz ≅ 3.344 gal

An alternative is also that one gallon is approximately zero point two nine nine times four hundred twenty-eight 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