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