The result of your conversion between ngarn and acre [survey] appears here
To convert between Ngarn and Acre [survey] you have to do the following:
First divide 400 / 0.092903412*43560 = 0.09884176
Then multiply the amount of Ngarn you want to convert to Acre [survey], use the chart below to guide you.
Symbol: ngarn
No description
Symbol: ac
No description