The result of your conversion between dunum, dunham and yard appears here
To convert between Dunum, Dunham and Yard you have to do the following:
First divide 1000 / ((0.003785411784/231)*1728)*27 = 1307.95061931
Then multiply the amount of Dunum, Dunham you want to convert to Yard, use the chart below to guide you.
Symbol: dunum
No description
Symbol: yd
No description