How much is 2581 Serbian Dinar to New Belarusian Ruble? 77.26 New Belarusian Ruble is todays conversion result. International currency exchange rate for pair RSD to BYN for today is 0.0299. CNV.to is using the latest data from authority sources, data updates every minute. To calculate reversed currencies go to - 2581 BYN to RSD.