The result of your conversion between Dram and Ton [long, UK] appears here
To convert between Dram and Ton [long, UK] you have to do the following:
First divide ((0.000016387064*231)/128)/8 / .45359237*2240 = 0.
Then multiply the amount of Dram you want to convert to Ton [long, UK], use the chart below to guide you.
Symbol: dr
No description
Symbol: LT
No description