The result of your conversion between Dram and Long ton appears here
To convert between Dram and Long Ton you have to do the following:
First divide ((0.000016387064*231)/128)/8 / 0.45359237*2240 = 0.
Then multiply the amount of Dram you want to convert to Long Ton, use the chart below to guide you.
Symbol: dr
No description
Symbol: lt
No description