How much is 4978 Omani Rial to Bhutanese Ngultrum? 1,080,210.01 Bhutanese Ngultrum is todays conversion result. International currency exchange rate for pair OMR to BTN for today is 216.9968. CNV.to is using the latest data from authority sources, data updates every minute. To calculate reversed currencies go to - 4978 BTN to OMR.