How to convert 540 US 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 0.000115740740740741 times 540 US gallons.
It can also be expressed as: 540 US gallons is equal to US customary cups.
An approximate numerical result would be: five hundred and forty US gallons is about eight thousand, six hundred and forty US customary cups, or alternatively, a US customary cup is about zero times five hundred and forty US 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.