How to convert 198 imperial gallons to US customary cups?
We know (by definition) that:
We can set up a proportion to solve for the number of US customary cups.
Now, we cross multiply to solve for our unknown :
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 US customary cups.
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.
 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.