1 KRW is approximately equal to 0.0054 of RMB (Chinese Yuan Renminbi - CNY). This is an online currency conversion tool with which you could convert the KRW (Korean Won) to RMB (Chinese Yuan Renminbi - CNY) exchange rate. Korean Won is the official currency of South Korea. The Won has been in use for thousands of years. The capital and largest city is Seoul. The nation ranks 14th in the world by nominal GDP and 12th by PPP. The South Korean economy is highly dependent on international trade.