The result of your conversion between cup [US] and gallon [US, liquid] appears here
To convert between Cup [US] and Gallon [US, Liquid] you have to do the following:
First divide (0.000016387064 * 231)/16 / 0.000016387064*231 = 0.0625
Then multiply the amount of Cup [US] you want to convert to Gallon [US, Liquid], use the chart below to guide you.
Symbol: c
No description
Symbol: gal
No description