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Unit Converter

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 16.5 fluid ounces into gallons we have to multiply 16.5 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

16.5 fl oz → V(gal)

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

V(gal) = 16.5 fl oz × 0.0078125 gal

V(gal) = 0.12890625 gal

The final result is:

16.5 fl oz → 0.12890625 gal

We conclude that 16.5 fluid ounces is equivalent to 0.12890625 gallons:

16.5 fluid ounces = 0.12890625 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 7.7575757575758 × 16.5 fluid ounces.

Another way is saying that 16.5 fluid ounces is equal to 1 ÷ 7.7575757575758 gallons.

Approximate result

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

16.5 fl oz ≅ 0.129 gal

An alternative is also that one gallon is approximately seven point seven five eight times sixteen point five 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

fluid ounces (fl oz) gallons (gal)
17.5 fluid ounces 0.137 gallons
18.5 fluid ounces 0.145 gallons
19.5 fluid ounces 0.152 gallons
20.5 fluid ounces 0.16 gallons
21.5 fluid ounces 0.168 gallons
22.5 fluid ounces 0.176 gallons
23.5 fluid ounces 0.184 gallons
24.5 fluid ounces 0.191 gallons
25.5 fluid ounces 0.199 gallons
26.5 fluid ounces 0.207 gallons