The currency of Indonesia is the Indonesian Rupiah and the code is IDR. The exchange rate for 1 USD = 13, 264 IDR and 1 INR = 206.9 IDR. It is always advisable to get your money exchanged at the airport as they give a good currency exchange rates. However, you will find foreign exchange booths all around the place once you get there. You need to find a place with the least interest charges and get your money exchanged. Exchange of money might also be possible at the hotel you are staying at.