How much is 3709 Icelandic Króna to São Tomé and Príncipe Dobra? 590,182.08 São Tomé and Príncipe Dobra is todays conversion result. International currency exchange rate for pair ISK to STD for today is 159.1216. CNV.to is using the latest data from authority sources, data updates every minute. To calculate reversed currencies go to - 3709 STD to ISK.