The least valuable currencies of the world The Cambodian Riel is the currency of Cambodia. Our currency rankings show that the most popular Cambodia Riel exchange rate is the USD to KHR rate. The currency code for Riels is KHR, and the currency symbol is ៛. Previous Next Pages: 1 2 3 4 5 6 7 8 9 10 bi arzesh currency Iran rial vahede pool value 2017-11-02 ash2