18 imperial gallons in dry gallons
Result
The conversion result is: 18 imperial gallons is equivalent to 18.5770213827966 dry gallons.[1]
Conversion formula
How to convert 18 imperial gallons to dry gallons?
We know (by definition) that: 1 imperialgallon ≈ 1.0320567434887 drygallon.
We can set up a proportion to solve for the number of dry gallons.
1 imperialgallon / 18 imperialgallon ≈ 1.0320567434887 drygallon / x drygallon
Now, we cross multiply to solve for our unknown x:
x drygallon ≈ (18 imperialgallon / 1 imperialgallon) * 1.0320567434887 drygallon → x drygallon ≈ 18.5770213827966 drygallon
Conclusion:
18 imperialgallon ≈ 18.5770213827966 drygallon
Conversion in the opposite direction
The inverse of the conversion factor is that 1 dry gallon is equal to 0.0538299428844959 times 18 imperial gallons.
It can also be expressed as: 18 imperial gallons is equal to 1 / 0.0538299428844959 dry gallons.
Approximation
An approximate numerical result would be: eighteen imperial gallons is about eighteen point five seven dry gallons, or alternatively, a dry gallon is about zero point zero five times eighteen imperial gallons.
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.