The result of your conversion between Microgram and Dram appears here
To convert between Microgram and Dram you have to do the following:
First divide 1.0e-9 / ((0.000016387064*231)/128)/8 = 0.00027051
Then multiply the amount of Microgram you want to convert to Dram, use the chart below to guide you.
Symbol: mcg
No description
Symbol: dr
No description