You have converted 1 Bhutanese Ngultrum to Iranian Rial. To show you the most accurate result, we use the international exchange rate. Convert currency 1 BTN to IRR. How much is 1 BTN to IRR? — IRR503.53 IRR. Look at the reverse course ⇄ IRR to BTN. Perhaps you may be interested in BTN IRR Historical Chart, and BTN IRR ⟳ Historical Data of exchange rate. Feel free to try convert more...