18 deciliters in US gallons
Result
The conversion result is: 18 deciliters is equivalent to 0.475509694244667 US gallons.[1]
Conversion formula
How to convert 18 deciliters to US gallons?
We know (by definition) that: 1 dl ≈ 0.0264172052358148 usgallon.
We can set up a proportion to solve for the number of US gallons.
1 dl / 18 dl ≈ 0.0264172052358148 usgallon / x usgallon
Now, we cross multiply to solve for our unknown x:
x usgallon ≈ (18 dl / 1 dl) * 0.0264172052358148 usgallon → x usgallon ≈ 0.47550969424466644 usgallon
Conclusion:
18 dl ≈ 0.47550969424466644 usgallon
Conversion in the opposite direction
The inverse of the conversion factor is that 1 US gallon is equal to 2.10300654666667 times 18 deciliters.
It can also be expressed as: 18 deciliters is equal to 1 / 2.10300654666667 US gallons.
Approximation
An approximate numerical result would be: eighteen deciliters is about zero point four eight US gallons, or alternatively, a US gallon is about two point one zero times eighteen deciliters.
Footnotes
[1] The precision is 15 significant digits (fourteen digits to the right of the decimal point).
Results may contain small errors due to the use of floating point arithmetic.