The result of your conversion between dunum, dunham and tarea appears here
To convert between Dunum, Dunham and Tarea you have to do the following:
First divide 1000 / 628.8 = 1.59033079
Then multiply the amount of Dunum, Dunham you want to convert to Tarea, use the chart below to guide you.
Symbol: dunum
No description
Symbol: tarea
No description