The result of your conversion between Dram and ounce [US, liquid] appears here
To convert between Dram and Ounce [US, Liquid] you have to do the following:
First divide ((0.000016387064*231)/128)/8 / (0.000016387064*231)/128 = 0.125
Then multiply the amount of Dram you want to convert to Ounce [US, Liquid], use the chart below to guide you.
Symbol: dr
No description
Symbol: oz
No description