18 US gallons in imperial cups
Result
The conversion result is: 18 US gallons is equivalent to 239.810165173149 imperial cups.[1]
Conversion formula
How to convert 18 US gallons to imperial cups?
We know (by definition) that: 1 usgallon ≈ 13.3227869540638 brcup.
We can set up a proportion to solve for the number of imperial cups.
1 usgallon / 18 usgallon ≈ 13.3227869540638 brcup / x brcup
Now, we cross multiply to solve for our unknown x:
x brcup ≈ (18 usgallon / 1 usgallon) * 13.3227869540638 brcup → x brcup ≈ 239.8101651731484 brcup
Conclusion:
18 usgallon ≈ 239.8101651731484 brcup
Conversion in the opposite direction
The inverse of the conversion factor is that 1 imperial cup is equal to 0.00416996501911408 times 18 US gallons.
It can also be expressed as: 18 US gallons is equal to 1 / 0.00416996501911408 imperial cups.
Approximation
An approximate numerical result would be: eighteen US gallons is about two hundred and thirty-nine point eight one imperial cups, or alternatively, a imperial cup is about zero times eighteen US 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.