The result of your conversion between Dram and Microgram appears here
To convert between Dram and Microgram you have to do the following:
First divide ((0.000016387064*231)/128)/8 / 1.0e-9 = 3696.69119531
Then multiply the amount of Dram you want to convert to Microgram, use the chart below to guide you.
Symbol: dr
No description
Symbol: mcg
No description