How much is 451 New Belarusian Ruble to Mauritanian Ouguiya? 63,706.01 Mauritanian Ouguiya is todays conversion result. International currency exchange rate for pair BYN to MRO for today is 141.2550. CNV.to is using the latest data from authority sources, data updates every minute. To calculate reversed currencies go to - 451 MRO to BYN.