The result of your conversion between Dram and Grain appears here
To convert between Dram and Grain you have to do the following:
First divide ((0.000016387064*231)/128)/8 / 0.00006479891 = 0.05704866
Then multiply the amount of Dram you want to convert to Grain, use the chart below to guide you.
Symbol: dr
No description
Symbol: gr
No description