How much is 4209 Brazilian Real to New Belarusian Ruble? 2,699.97 New Belarusian Ruble is todays conversion result. International currency exchange rate for pair BRL to BYN for today is 0.6415. CNV.to is using the latest data from authority sources, data updates every minute. To calculate reversed currencies go to - 4209 BYN to BRL.