How much is 1664 São Tomé and Príncipe Dobra to Zambian Kwacha? 1.90 Zambian Kwacha is todays conversion result. International currency exchange rate for pair STD to ZMW for today is 0.0011. CNV.to is using the latest data from authority sources, data updates every minute. To calculate reversed currencies go to - 1664 ZMW to STD.