The result of your conversion between Dram and Hectogram appears here
To convert between Dram and Hectogram you have to do the following:
First divide ((0.000016387064*231)/128)/8 / 0.1 = 0.00003697
Then multiply the amount of Dram you want to convert to Hectogram, use the chart below to guide you.
Symbol: dr
No description
Symbol: hg
No description