1 imperial gallon in US customary cups
Result
The conversion result is: 1 imperial gallon is equivalent to 19.2151988080777 US customary cups.[1]
Conversion in the opposite direction
The inverse of the conversion factor is that 1 US customary cup is equal to 0.0520421365393118 times 1 imperial gallon.
It can also be expressed as: 1 imperial gallon is equal to 1 / 0.0520421365393118 US customary cups.
Approximation
An approximate numerical result would be: one imperial gallon is about nineteen point two one US customary cups, or alternatively, a US customary cup is about zero point zero five times one imperial gallon.
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.