How much is 9109 Ethereum Classic to São Tomé and Príncipe Dobra? 0.00 São Tomé and Príncipe Dobra is todays conversion result. International currency exchange rate for pair ETC to STD for today is 0.0000. CNV.to is using the latest data from authority sources, data updates every minute. To calculate reversed currencies go to - 9109 STD to ETC.