How much is 6518 São Tomé and Príncipe Dobra to Trinidad and Tobago Dollar? 1.99 Trinidad and Tobago Dollar is todays conversion result. International currency exchange rate for pair STD to TTD for today is 0.0003. CNV.to is using the latest data from authority sources, data updates every minute. To calculate reversed currencies go to - 6518 TTD to STD.