How much is 256 Barbadian Dollar to São Tomé and Príncipe Dobra? 2,852,070.40 São Tomé and Príncipe Dobra is todays conversion result. International currency exchange rate for pair BBD to STD for today is 11,140.9000. CNV.to is using the latest data from authority sources, data updates every minute. To calculate reversed currencies go to - 256 STD to BBD.