How much is 1198 Eritrean Nakfa to Bhutanese Ngultrum? 6,668.48 Bhutanese Ngultrum is todays conversion result. International currency exchange rate for pair ERN to BTN for today is 5.5663. CNV.to is using the latest data from authority sources, data updates every minute. To calculate reversed currencies go to - 1198 BTN to ERN.