XE Currency Converter: 1 HKD to SAR = 0. Convert 25000 HKD to SAR with the TransferWise Currency Converter. Hong Kong was a dependent territory of the United Kingdom from 1842 until the transfer of its sovereignty to the People's Republic of China in. Historical Charts & Data for Hong-Kong-Dollars to Saudi-Riyal. This is the Hong Kong Dollar (HKD) to Saudi Riyal (SAR) exchange rate history summary page, detailing 180 days of HKD SAR historical data from Sunday. Calculator to convert money in Hong Kong Dollar (HKD) to and from Saudi Arabian Riyal (SAR) using up to date exchange rates.