How much is 4209 South Korean Won to New Belarusian Ruble? 10.13 New Belarusian Ruble is todays conversion result. International currency exchange rate for pair KRW to BYN for today is 0.0024. CNV.to is using the latest data from authority sources, data updates every minute. To calculate reversed currencies go to - 4209 BYN to KRW.