The result of your conversion between kattha [Nepal] and square gigameter appears here
To convert between Kattha [Nepal] and Square Gigameter you have to do the following:
First divide 338 / 1.0E+18 = 0.
Then multiply the amount of Kattha [Nepal] you want to convert to Square Gigameter, use the chart below to guide you.
Symbol: kattha
No description
Symbol: gm2
No description