How much is 4172 Iranian Rial to New Belarusian Ruble? 0.33 New Belarusian Ruble is todays conversion result. International currency exchange rate for pair IRR to BYN for today is 0.0001. CNV.to is using the latest data from authority sources, data updates every minute. To calculate reversed currencies go to - 4172 BYN to IRR.