Base exchange rate between various currencies and Khmer Riel Friday, October 21, 2022 Official rates : 4146 Riel / USD Release Date Symbols Official Riel / USD Download 21 October 2022 USD/KHR 4146 20 October 2022 USD/KHR 4146 19 October 2022 USD/KHR 4146 18 October 2022 USD/KHR 4145 17 October 2022 USD/KHR 4144