How much is 1588 São Tomé and Príncipe Dobra to Guyanase Dollar? 14.91 Guyanase Dollar is todays conversion result. International currency exchange rate for pair STD to GYD for today is 0.0094. CNV.to is using the latest data from authority sources, data updates every minute. To calculate reversed currencies go to - 1588 GYD to STD.