The result of your conversion between cup [US] and dram appears here
To convert between Cup [US] and Dram you have to do the following:
First divide (0.000016387064 * 231)/16 / ((0.000016387064*231)/128)/8 = 64.
Then multiply the amount of Cup [US] you want to convert to Dram, use the chart below to guide you.
Symbol: c
No description
Symbol: ʒ, or dr
No description