The result of your conversion between ngarn and yard appears here
To convert between Ngarn and Yard you have to do the following:
First divide 400 / ((0.003785411784/231)*1728)*27 = 523.18024773
Then multiply the amount of Ngarn you want to convert to Yard, use the chart below to guide you.
Symbol: ngarn
No description
Symbol: yd
No description