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 18 fluid ounces into gallons we have to multiply 18 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
18 fl oz → V(gal)
Solve the above proportion to obtain the volume V in gallons:
V(gal) = 18 fl oz × 0.0078125 gal
V(gal) = 0.140625 gal
The final result is:
18 fl oz → 0.140625 gal
We conclude that 18 fluid ounces is equivalent to 0.140625 gallons:
18 fluid ounces = 0.140625 gallons
Alternative conversion
We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 7.1111111111111 × 18 fluid ounces.
Another way is saying that 18 fluid ounces is equal to 1 ÷ 7.1111111111111 gallons.
Approximate result
For practical purposes we can round our final result to an approximate numerical value. We can say that eighteen fluid ounces is approximately zero point one four one gallons:
18 fl oz ≅ 0.141 gal
An alternative is also that one gallon is approximately seven point one one one times eighteen 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) |
---|---|
19 fluid ounces | 0.148 gallons |
20 fluid ounces | 0.156 gallons |
21 fluid ounces | 0.164 gallons |
22 fluid ounces | 0.172 gallons |
23 fluid ounces | 0.18 gallons |
24 fluid ounces | 0.188 gallons |
25 fluid ounces | 0.195 gallons |
26 fluid ounces | 0.203 gallons |
27 fluid ounces | 0.211 gallons |
28 fluid ounces | 0.219 gallons |