Convert British pounds and US dollars here, with the latest exchange rates provided Date. How to see historical rates. If you would like to see historical rates, Currency converter & exchange rates calculator brought to you by Mastercard. Find the foreign currency exchange rates used for cross border transactions for all major world currencies with Transaction Date * HELENA POUND SHP, SURINAME DOLLAR SRD, SWAZILAND LILANGENI SZL, SWEDISH KRONA Exchange Rate. Date: 2020-03-19. Date: Round: 1 US Dollar, USD 50-100, 8.910, 8.910, 8.912, 8.927 Pound Sterling, GBP, 10.205, 10.205, 10.207, 10.409.