Exchange Rate Exchange Rate, December 2020 : 1 Dollar = 4042 riels Exchange Rate, November 2020 : 1 Dollar = 4056 riels Exchange Rate, October 2020 : 1 Dollar = 4093 riels Exchange Rate, September 2020 : 1 Dollar = 4095 riels Exchange Rate, August 2020 : 1 Dollar = 4097 riels 1 2 ›