The Vietnamese Dong is the currency for Viet Nam, which is important to know when sending money to the region, whether to a relative or to pay for goods and services. To learn the exchange rate for your chosen currency pair, you simply key their currency codes into a currency converter. For instance, if you wanted to know the exchange rate for converting U.S. dollars to Dongs, which is one of the most popular exchanges according to currency rankings, then you would key in the currency symbol for U.S. dollars, which is USD, and the currency symbol for Vietnam Dongs,