Get a comprehensive guide to Bali currency , learn how the currency in Bali works, and safe tips for money exchange in Bali , Indonesia. This complete guide explains everything you need to know about using Indonesian Rupiah (IDR) in Bali, how to exchange money, where to use credit cards, and what each note is worth in real-world examples. What Currency Is Used in Bali? Bali uses the Indonesian Rupiah (IDR) as its official currency. Planning a trip to Bali ? Find out about the local currency , exchange rates, and where to get the best deals.