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 221 fluid ounces into gallons we have to multiply 221 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

221 fl oz → V_(gal)

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

V_(gal) = 221 fl oz × 0.0078125 gal

V_(gal) = 1.7265625 gal

The final result is:

221 fl oz → 1.7265625 gal

We conclude that 221 fluid ounces is equivalent to 1.7265625 gallons:

221 fluid ounces = 1.7265625 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.57918552036199 × 221 fluid ounces.

Another way is saying that 221 fluid ounces is equal to 1 ÷ 0.57918552036199 gallons.

Approximate result

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

221 fl oz ≅ 1.727 gal

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