The result of your conversion between kattha [Nepal] and perch appears here
To convert between Kattha [Nepal] and Perch you have to do the following:
First divide 338 / 25.29285264 = 13.36345903
Then multiply the amount of Kattha [Nepal] you want to convert to Perch, use the chart below to guide you.
Symbol: kattha
No description
Symbol: perch
No description