How much is 4122 Tongan Paʻanga to New Belarusian Ruble? 5,640.65 New Belarusian Ruble is todays conversion result. International currency exchange rate for pair TOP to BYN for today is 1.3684. CNV.to is using the latest data from authority sources, data updates every minute. To calculate reversed currencies go to - 4122 BYN to TOP.