198 imperial gallons in US customary cups
Result
The conversion result is: 198 imperial gallons is equivalent to 3804.60936399938 US customary cups.[1]
Conversion formula
How to convert 198 imperial gallons to US customary cups?
We know (by definition) that: 1 imperialgallon ≈ 19.2151988080777 uscup.
We can set up a proportion to solve for the number of US customary cups.
1 imperialgallon / 198 imperialgallon ≈ 19.2151988080777 uscup / x uscup
Now, we cross multiply to solve for our unknown x:
x uscup ≈ (198 imperialgallon / 1 imperialgallon) * 19.2151988080777 uscup → x uscup ≈ 3804.609363999385 uscup
Conclusion:
198 imperialgallon ≈ 3804.609363999385 uscup

Conversion in the opposite direction
The inverse of the conversion factor is that 1 US customary cup is equal to 0.000262839073430868 times 198 imperial gallons.
It can also be expressed as: 198 imperial gallons is equal to 1 / 0.000262839073430868 US customary cups.
Approximation
An approximate numerical result would be: one hundred and ninety-eight imperial gallons is about three thousand, eight hundred and four point six one US customary cups, or alternatively, a US customary cup is about zero times one hundred and ninety-eight 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.