The result of your conversion between Dram and gill [US] appears here
To convert between Dram and Gill [US] you have to do the following:
First divide ((0.000016387064*231)/128)/8 / (0.000016387064*231)/32 = 0.03125
Then multiply the amount of Dram you want to convert to Gill [US], use the chart below to guide you.
Symbol: dr
No description
Symbol: gi
No description