The result of your conversion between fifth and gallon [US, liquid] appears here
To convert between Fifth and Gallon [US, Liquid] you have to do the following:
First divide (0.000016387064*231)/5 / 0.000016387064*231 = 0.2
Then multiply the amount of Fifth you want to convert to Gallon [US, Liquid], use the chart below to guide you.
Symbol: fifth
No description
Symbol: gal
No description